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JABATAN PELAJARANNEGER]JOHOR

PEPERIKSAANPERCUBAAN SIJIL PELAJARANMALAYSIA2OO9 PHYSICS Kertas 1 Ogos/September 1/ , jam

Satu jam lima belas minit

JANGAN BUKA KERTAS SOALAN INISEHINGGA DIBERITAHU l.

Kertas soulan ini odalah dulam dwibah&sa.

2.

,\oalan dulam Bahosa Inggeris mendahului soalan yang sepadun dalam Bahasa U[elavu.

J.

Culon dikehendaki rnembaca maklumat di halsman belakanp kertas soalun ini.

Kertassoalanini mengandungi 31 halamanbercetakdan t halamantidak bercetak

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The followinginformation maybeuseful.The symbolshavetheirusualmeaning. Maklumatberikutmungkinberfaedah.simbol-simbolmempunyaimaknayang biasa 1.

a=v-u t

2.

rl =tl+2as

3.

s=ut+14a(

4.

Momentum= my

5.

F=ma

6.

KineticenergyI Tenagakinetik=% mf

7.

potentialenergyI Tenagakeupayaangraviti= mgh Gravitational

8.

= 1f, ElasticpotentialenergyI Tenagakeupayaan kenyal '2 m

v. P =v

10. PressureI Tekanan,p = hpg 11. PressurelTekanan,p=+ A

12. Heat/Haba,Q=mcfi 13. Heat/Heat,Q=ml n\ /

14. *=

constant/pemalar

I

' f 5,

E=mcz

16

v = f)"

17. Power,P=

enersv time

p = teoa9a Kuasa, masa t1

18 . 1 =1*1 fuv

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453t/r "ax A = _

D

sin i

n= _ s i nr

2i. n= n_

realdePth apparentdepth dalam nyata dalam ketara

22. Q = / f

23.

V = lR

24.

P ow e rl Ku a s a ,P= l V

25 . N "=4 Np

vp

l-L xloook 26. EfficiencyI Kecekapan: ' lov, 27, g= 10 ms -2

28. c = 3. 0 x 1 0 8 m s -1

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SULIT A car is movingwith velocity60 km h-1. 60 km j'1 Sebuafi kereti bergerakdenganhala.1u s-1? in m What is the velocitY Berapakahhalaiuinidatamm s-'? A B

c

D

0.17 l.o/

10.0 16.7

Whichmeasurefllenthas the greatestvalue? lJkuran manakahyang mempunyainilaipaling besafi A B C D

1.13x 108mm 1.13x 108cm 1.13x 108pm 1.13x 10onm

Diagram1 showsthe scaleof a voltmeter. Rajah1 menuniukkanskalabagivoftmeter

Diagram1 Raiah1 What is the accuracyof the voltmeter? Berapakah keiituan voltmeter2

A 0.20v c 0.02v

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B 0. 1 0v D 0.0 1v

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Which graph shows constant acceleration? Graf manakah yang menunjukkan pecutan seragam? v/mst

A

v/m s't

t

I

I

f'

i\

t\

|

L v/m s-t

c

---'-

-,

y/m s-t

D

t|

-'/

l,/ t/

t/

Diagram2 showstrolleyA andtrollevB of samemass. Rajah 2 menunjukkantroliA dan trotiB yang mempunyaijisimyang sama. Beforecollision Aftercollision Sebelumperlanggaran Se/epaspeflanggaran Plasticine tlt

Plastisin

-_)

i

TrolleyA TroliA

At rest Pegun

-._->

e _J i f-*TrolleyB TroliE

TrolleyA TroliA

TrolleyB TroliB

Diagram2 Rajah2 which comparisons are truefor the velocityof trolleysA and B aftercollision? Perbandingan manakahadalahbenarmengenaihatajutroliA dan B se/epas peflanggaran"

-

-

Trolley rrotteyA A Ii TrotiA ro ti A ITL-__-.'..--.' ...- - _j T I1 I

I

Increases Increases n ar-lcmhah Eertambah __,l

I I

rroileyB-* r r oie

| I

I

Increases Bertambah

I I

i n cre a -se s--'l _ '- _o.ffi- - 1

B

Lc i

--l j --_--_' Pp!<serc-

---Y\euPeh -

increases

?ecreases

i - --Fj4
-

L

___,r--

D j

Unchanged

___JjdqU9J!t9!_

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--l-

j

J1

_Bpftaplg!_

i

ridakberubah

l

Unchanged--

I

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Diagram3 showsa heavytrailer. Rajah3 menunjukkan sebuahtreleryangberat.

Diagram 3 Rajah3 It is difficultto changethe direction of thisvehicle Adalahsukaruntukmenukararahkenderaanini. Thisstatement is refersto Pernyataanini adalahmerujukkepada A B

c D

the conceptof inertia konsepinersia the conceptof equilibrium of forces konsepkeseimbangan daya the principle of conservatron of energy prinsip keabadian tenaga the principle of conservation of momentum prinsipkeabadianmomentum

Diagram 4 shows a car of mass 800 kg with a forward thrust of 3600 N and a frictionalforce of 2000 N. Rajah 4 menunjukkan sebuah kereta berjisim800 kg, dengan daya tujah ke hadapan 3600 N dan daya geseran 2000 N.

3600N Diagram 4 Rajah4 Whatis the acceleration of thecar? Berapakahpecutankeretaitu? A B C D

2.0m s'2 2.5m s-2 4.5m s-2 7.0m s-2

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Diagram5 showsthe pathof a ballrollingdowna smoothslope. Rajah5 menunjukkanlintasansebijibolayangbergulingmenurunisuatucerun yang licin.

Diagram5 Rajah5 The ball has the greatestchange in gravitationalpotentialenergy between the positions Bola itu mengalami perubahan tenaga keupayaan graviti yang maksimum di antara kedudukan A B C D

P and R P dan R Q and S O dan S P and S P dan S Rand T Rdan T

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Diagram6 showsa picturehangingstationary on a wall. Rajah6 menunjukkansekepinggambartergantungpegun dl dinding

Diagram6 Rajah6 Whichdiagramrepresents the forcesactingon the picturecorrecfly? Rajahmanakahyang betuluntukmewakilidaya-dayayang bertindakke atas gambaritu?

G

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Diagram7 shows a car involvedin an accident. Rajah 7 menunjukkan sebuah keretayang terlibatdalam kemalanqan

Diagram7 Rajah7 Why is its frontand rearsectionsdesignedto crumpleeasily? Mengapakahbahagianhadapandan berakangnyadirekabentuk supaya mucrah remulQ A B C D 11

To increasefriction Untuk menambahkan eeseran To decreaseimpulse Untuk mengurangka n impuls To decreasemomenrum Untuk mengurangkan momentum To increaseimpacttime Untukmenambahkan masahentaman

DiagramB showsa rabbitpracedon threedifferent arrangement of springs,p, e and R consisting of identical springs. Rajah 8 menunjukanseekor arnab ditetakkan pada tiga susunan spnng yang berbeza,P, Q dan R yang mengandungispring_springserupa.

Diagramg Rajah B Whichcomparisonis correclaboutthe extension, x, of p, e and R? Perbandinganmanakahyang betuttentangpemanjangan,x bagip, e dan R? A

X p > Xq > xo

B

x o ) X R> Xp

C

X p > X6 > Xp

D

X p > Xq > Xp

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Diagram9.1 showsa ladywearinghighheelsand Diagram9.2 showsher wearingsportshoes. Rajah9.1 menunjukkanseorangwanitamemakaikasutbertumittinggidan Rajah 9.2 rnenunjLtkkan dia memakaikasutsukan.

g1 Diagram Rajah91

Diagram 9.2 RajahI2

Whichcomparisonis correct? Perbandingan manakahyang betul2 Pressureon X = Pressure on Y TekanandiX = TekanandiY B Pressureon X < Pressure on Y Tekanandi X < Tekanandi Y C Pressureon X > Pressure on Y TekanandiX> Tekanan diY A

13

Diagram10.1showsobjectX in liquidR andDiagram10.2showsthesame objectin liquidS. Rajah10.1menunjukkanobjekx dalamcecairRdan Rajah10.2menunjukkan objekyang samadalam cecairS.

L i q u i dR CecairR

Diagram10.1 Rajah10.1

Li qui dS Cecarr S

Diagram10.2 Rajah1O.2

Whichstatement explainthe abovesituations? Pernyataanmanakahyang menerangkansituasirJiatas? A

LiquidR is lessdensethanobjectX CecairR adalahkurangtumpatdaripadaobjekX B LiquidS is lessdensethanliquidR CecairS aclalahkurangtumpatdaripadacecair R C LiquidS is denserthanobjectX CecairS adalahlebih tunpat daripadaobjekX D LiquidS is denserthantiquidR CecairS adalahlebihtumpatdaripadacecairR

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Diagram11 showsa simplemercury barometer. Rajah11 menunjukkan sebuahbarometer merkuriringkas, V acuum Vakum 4

lc

v

+ iD f I

I

BI

,

, iii

tf

l{

,

[-_ L:t

Mercury Merkuri

D i a g ram11 Rajah11

WhichheightA, B, C or D measure pressure? theatmospheric Ketinggian A, B, C atauD yangmanakahmengukurtekananatmosfera? 15

jack. Diagram12 showsa hydraulic Rajah12 menunjukkan sebuahjek hidraulik.

lY'

PistonR Omboh R

Load Beban PistonS amboh S

o it D i a g ra m1 2 Rajah12 Which comparisonis correctaboutpressureand force? Perbandinganmanakahyang betul tentangtekanandan daya? The force on pistonR is smallerthanthe weightof the load Daya omboh R lebih kecilclaripadaberat beban B The force on pistonR is greaterthan the weightof the load Daya onboh R lebih besardaripadaberat beban C T he p re s s u reo n p i s to nR i s s m a l te rthanthe pressureon S Tekananpada omboh R adalahlebih kecil daripadatekananpada S D T he p re s s u reo n p i s to nR i s g re a te rt hanthe pressureon pi stonS Tekananomboh R lebrh besardaripadatekananpada S

A

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Diagram13 showsan objectbeingremovedfrom the beaker. Rajah13 menunjukkansatuobjek dialihkandari bikar. Springbalance Neraca spring

Diagram13 Rajah13 What happensto the readingof the springbalance? Apakah yang berlakukepadabacaanneracaspring? A

Increases Beriambah B Decreases Be*urang C Remainsconstant Tidakberubah 17

Diagram14 showsliquidX floatingon top of waterin a U{ube. Rajah14 menunjukkancecairXterapungdi atasair datamtiub-U.

LiquidX CecairX

Water Air Diagram14 Rajah14 The densityof wateris 1000kg m-3 Whatthe densityof liquidX? Ketumpatanair ialah1000kg m'3^ BerapakahketumpatangepairX?

t1

A B C D

1500kg rn'3 1000kg m-:' 800kgm3 500kgm3

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Diagram15 showsa ping-pong ballplacedundera streamof water. Rajah15 menunjukkansebijibolapingpongdiletakkandi bawahaliranau.

Waterflow Aliran air

P i n gp o ng bal l

D i agram15 Rajah 15 Which explainsthe above observation? Manakah yang menerangkanpemerhatiandi atas? A

Pa s c a l ' sP ri n c i o l e Prinsip Pascal B Be rn o u l l i ' sPri n c i p l e Prinsip Bernoul!i C A rc h i m e d e sP ' ri n c i p l e PrinsipArchimedes D Principleof Conservationof Momentum Prinsip Keabadian Momentum

19

Diagra m1 6 s h o w sa th e rm o m e te r. Rajah 16 menunjukkansebatang termometer.

Bulb Bebuli

C api l l arytube Tiub kapilari Di agram16 Ralah 16

Whichdesignfeatureswillincrease thesensitivity of thisthermometer? ciri-cirireka bentukmanakahyangakanmeningkatkan kepekaantermometerinft Bulb Bebuli thinglass

Capillary tube Tiub

kaca niois

thrnglass

c

w i de kasar

th i c kg l a s s kaca tebal

narrow halus

D

thickglass kacatebal

w i de kasar

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Diagram17 showstwocopperblocks,p ande touchingeachother. The initialtemperature of P and e are 60 oc and 30 oc respectivelv. Rajah17 menunjukkan duablokkuprum,p dan e yang salingbersentuhan Suhu awal P dan Q masing-masing adalah60 oCdan 30 oC. i;i tll

it t

r--\ i/-'^ O"i

\ --

\--.-_

\t

t

..'

Diagram 17 Rajah17 Whichstatement is correctwhenP andQ areat thermalequilibrium? Pernyataanmanakahyang betulbilaP dan e beradadalantkeseintbangan terma? A

T e m p e ra tu reo f P i s h i g h e rth an Q Suhu P lebih tinggi dariQ B T h e q u a n ti tyo f h e a t i n P i s s ame as i n e Quantity haba pada P sama dengan Q c Net rate of heat flow betweenP ano Q is zero Kadar pengaliran haba bersihantara P dan e adalah sifar D Rate of change in temperatureof P is higherthan that of e Kadar perubahan suhu P lebih tinggi berbanclinge

21

50 g of waterat 10 oCis addedto 100g of waterat 40 oC. 50 g air pada suhu 10,C ditambahkepacta100g air pada suhu40 oC Whatis thefinaltemperature of the mixture? Apakahsuhuakhir bagicampuran? lAssumethereis no heatlostto the surroundings/ [Anggaptiadahaba hilangke persekitaran] A B c D

22

1 OOC 1 5 OC 200c 30"C

Whatis thetemperature of thesubstance whenit is absorbing latenthealof fusion? Apakahsultu suatubahanbilaia sedangmenyeraphabapendampelakuran? A

at its boilingpoint pada takatdidihnya B at its meltingpoint pada takatleburnya C aboveits boilingpoint di atas takatdidihnya D betweenitsmeltingpointandboilingpoint di antaratakatleburdan takatdidihnva

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Diagram18 showsan air tightflaskat roomtemperature. The flask is then placed in meltingice. Rajah 18 menunjukkansatukelalangkedap udarapada suhubilik. Kelatanq tersebut kemudiannya dimasukkanke dalam aisyang sedang melebur.

li ll ,/\ Air Udara

Meltingice Ais yang melebur

D i agram18 Rajah1B What happensto the air pressureand the speedof the air molecules? Apakah yang berlaku kepada tekanan udara dan kelajuan molekul-malekut udara?

Pressure Tekanan Decrease

A

I 1

B Increase Bertambah lncrease Berlambah

24

SpeeAof rnotecutes Kelajuanmolekul Increase Bertambah Increase Bertambah

Decrease

BerJgtplg__

Diagram'19 showslightwave passingthroughthreemediums. Rajah19 menunjukkangelombangcahayamerambatmolatui tigamedium.

It4ediun2 Vediurn3 D i a gram19 Rajah19 Whichstatementis correctaboutthe refractiveindex.n. of the mediums? Pernyataanmanakahyang betul tentang indeks biasan,n. medium-medium tersebufi

A B

1 11> O2>

t1s

c

l '13> 112> O1 O2> l) 1 > fi3

D

l \>

t11 > fi2

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Diagram20 showsthe sidemirrorof a car. Rajah20 menunjukkancerminsisi sebuahkereta. Side view mirror Cermin sisi

Diagram20 Rajah20 Whicharethe characteristics of the imageformedby the mirror? Yangmanakahciri-ciriimageyang dibentukoleh cermin sisikeretaitu? A

Realand inverted Nyatadan songsang B Realand magnified Nyatadan dibesarkan c Virtualandsamesize Mayadan samasaiz D Virtualanddiminished Maya dan dikecilkan

26

Diagram2'1showsa lightbulbplacedat thefocalpointof a convexlens. Rajah21 menunjukkansebuahmentoldiletakkanpac\atitikfocussebuah kanta cembung.

Diagram 21 Rajah21 This set up will produces Susunan ini akan menghasilkan A B C

a p a ra l l e lb e a m o f l i g h t sinarcahaya selari a d i v e rg i n gb e a m o f ti g h t sinar cahaya mencapah a c o n v e rg i n gb e a m o f l i g h t sinar cahaya menumpu

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whichphenomenon is related to theprinciple of totalinternal reflection? Fenomenayangmanakahberkaitandenganprinsippanturandatai pe,nunz A ar ^r ,d Observer -VPemerhati - ;1 - - .

.-'i-.'.--

Poolof air Lopak air

B

Wall Dinding

G

9-&*'0" D

--.-r::: Seabed ,,,;ji3$}j'Dasar taut

28

What is similarbetweenmicroscopeand telescope? Apakah persamaanantara mikroskopdengan teteskop? A , B G _ D

The final imageseen is realand inverted lmage akhir kelihatannyata dan songsang Both microscopeand telescopeuse concavelens Kedua-dua mikroskop dan teleskopmenggunakan kanta cekung The objectivelensesof both microscopeand terescopeform rea'iimages Kanta objekti.fbagi kedua-duanya menghasilkan imej nyata The distancebetweenthe two lensesislhe sum of focailengthof objective lens and eyepiece Jarak di antara dua kanta ialah iumlah jarak fokus kanta objektifdan kanta mata

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Diagram 22 showsa springis shakensidewav. Rajah22 menunjukkansebuahspringdihayttnkan secaramerintanq

Directionof oscillation Arah ayunan

03m

Diagram22 Rajah22 The velocityof thewaveformedby the springis 3.0 m s-1. Calcuiate the frequency of theoscillation. felajuan gelombangyang dibentukoleh springlalah3 0 m s'1 HitunqkarrfreAuensiayunanspring A B C D 30

0.3Hz 0.9 Hz 5.0Hz 10 0 Hz

Diagram 23 showsthedispracement-time graphof an oscilrating spring. Rajah23 menunjukkangraf sesaran-masiuntuk suatuspring i"rg nuruy* Displacemenl

Ti me Masa

r-oao i-.)

Beban

Diagram 23 Rajah23 Theoscillating springundergoes Spring berayun mengalami A B C D

damping pelembapan resonance resonan interference interferen forcedoscillation ayunanyang dipaksa

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24 showswaterwavestravelling froma deepareap to

a sha'ow

Rajah24 menunjukkangetambangair merambatcJari kawasandalam p ke kawasan cetek e.

S hal l owarea e Kawasan celek, e

c D D e e p a re a ,P ,' Kawasandalam.p Diagram24 Rajah24 Which direction,,A,B, C or D is correct? A r ahy an g m a n a k a h A , , B , C a ta u D , a d al ahbetup

32

Diagram25 showswaterwavespassesa wooden rog. Rajah25 menunjukkangeronbang air meramiat merepasisebatanq

batak

Directionof waterwaves Arah perambatangelombang Wooden log Kayu balak

D i a g ram2S R a j ah25 lf the waves encountersa rongerwoodenrog, the effectof diffractionis Sekiranyagelombangmenemui batang Oatif yang tebihpanjang, kesan pembelauanadalah A B C

m or e o b v i o u s lebih jelas les so b v i o u s kurang jelas unc ha n g e d tidak berubah

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Diagram26 showstheyellowfringesformedby Young'sdouble-slits experiment Rajah26 menunjukkan pinggir-pinggir kuningyang dibentukoleh eksperimen dwiceiah Young.

Y el l owfri nges Pinggir-pingg ir kun ing t,,

,/

llll

Diagram 26 Rajah26 The separation betweenfringescan be increased by Jarakantarajalur-jalurbolehditingkatkan dengan A B C D 34

increasing the separation betweenslits jarak antaracelah. meningkatkan replacing theyellowlightwithredtight menggantikan cahayakuningdengancahayamerah. increasing theintensity of theyellowlight meningkatkan keamatancahayakuning. decreasing the distancebetweenthe doubleslitsand the screen mengurangkan prak antaradwicelahdenganskrin.

A transmitter emitsultrasonic wavesto detectunderwater objects. Diagram27 showsthetracesof a transmitted puiseanditsecho suatupemancarmemancarkan gelombang ultrasonik untukmengesanobjek dalamair. Rajah27 menunjukkan paparanclenyutan yang clipancarkan dan gemanya. Transmitted pulse Denyutdipancar Echo Gema

i

..

..

25s..

.

'

,

Diagram 27 R aj ah27 lf t h e u l tra s o n i cw a v e s tra v e l sw i th a speedof ' 1500m s' ' i n w ater, how far i s the object? Jika gelombang ultrasonicnterambat dengan halaju 1500 m s't dalam air, berapa jatthkah objek itu?

A B C D

600m 1200m 1875m 3750m

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Whichgraphshowsthe relationshipbetweenpotentiald'rtterence, v and current,I for an ohmicconductor? Grafmanakahyang menunjukkanhubunganantarabezakeupayaan,v dan arus, I bagi suatukonduktorohm?

,l

B

II I, 1

tl\., \

which circuitcan be usedto determine the erectromotive forcea battery? Litarmanakahborehdigunakanuntukmenentukandayagera* eteiirix suatu batei?

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Diagram28 showsa circuit. Rajah28 menunjukkansebuahlitar l+

i\--lA l l -l

H

in I?

*u/I

/-.\

|

Diagram28 Rajah28 Whathappensto the readingof theammeterandthe readrng of the voltmeter whenthe rheostatis adjusted? Apakahyangberlakukepadabacaanammeterdan bacaanvoltmeterapabila reostalitu diIaraskan? A B

c D I i

i--,,,

38

Unchanged Tidakberubah Changes Berubah Changes -nanges Renthah Unchanged Tidak In a K D berubah e ru D a n

Unchanged Tidakberubah U nchanged Tidak berubah

unanges Changes Berubah Changes Berubah*_r

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l

Whichof theseelectrical appliances consumes thegreatestamountof energy? palingbanyaktenaga? Peralatanelektrikyang manakahmenggunakan A

0.6 kW. 1 5 hours

B

0.2kW 10 minutes .tn

c

0.5 kW.2 hours

U

1.'lkW. 3 hours

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Diagram29 showscurrentflowingthrougha solenoid. Rajah 29 menunjukkan arusmengalirmetatui satu solenoid. solenoid

Switch Suis

Retortstand Kaki retort Batteries Bateri-bateri Diagram29 Rajah 29

Which diagramshowsthe magneticfield producedby the current? Rajahyang manakah menunjukkan nterlanmagnet yang dihasilkanoleh

B

arusitu?

@ R vr

c

D

@

ffi ,*jr

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453ltl Which diagramshowsthe applicationof the forceon a currentcarryingconductor in a magneticfield? Rajahmanakahyang menunjukkanaplikasidayayang beftindakke atas konduktorpembawaarusdalam satumedanmagnet? A

Transformer

B

Electricbell Loceng elektrik

c Relayswitch Gegantielektrik

D Movingcoilammeter Ammeter gegeIung bergerak

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Diagram30 showsan experiment to inducecurrentin a magnetic fierd. Rajah30 menunjukkansatuekpeimen untukmengaruharis dalamsuaru medan magneL

Galvanometer

Copperrod Rodkupnrm Permanent magnet Magnetkekal

Diagram30 Rajah30 The directionof the currentinducedcan be determinedby Arah arus aruhan boleh ditentukan oleh

i1)\

i,i /: :. I /.,.-\ .

l ._- <+

;f,\

-

.-\

F--7 )--.

:i,\

\r

\-,l

1:.- '

Fleming'sLeft Hand Rule Pelua Tangan Kiri Fleming

Fl emi ng' sR i ghtH and R ul e Petua Tangan Kanan Fleminq

Rig h tH a n d G ri p R u te Petua Genggaman Tangan Kanan

Maxwell'sScrew Rule Petua Tangan Kiri Fleming

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over of electricity Whichtypeof currentandvoltageis usedin the transmission longdistances? Apakahjenis arusdan voltanyang digunakandalampenghantaranbekalan elektik melaluijarakiauh? Voltage of cables Voltan dalam kabel Highvoltage Voltantinggi

Type of current

Jenisarus

D

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Allernating current Arusulangalik current Alternating Arusulangalik Directcurrent Arus terus Direclcurrent Arus ferus

Low voltage Voltan rendah High voltage Voltan tinggi H i gh vol tage Voltan tinggi

Diagram31 showsa transformer. Rajah31 menunjukkansebuahtransformer,

a.c source Sumbera.c

coil Secondary Gegelungsekunder

Primarycoil Gegelungprimer Diagram 31 Raiah31 is correct? aboutthe transformer Whichstatement Pernyataanmanakahyangbetulmengenaitransformeritu? A

lts outputpoweris alwaysgrealerthanits inputpower Kuasaoutputnyaselalumelebihikuasainputnya

B

steelcore by usinglaminated is increased lts efficiency denganmenggunakanteraskeluliberlamina ditingkatkan Kecekapannya

C

of directcurrent difference ls usedto alterthe potential Digunakanuntukmengubahbezakeupayaanarus ferus

D

induction is basedon electromagnetic lts operatingprinciple aruhanelectromagnet Prinsipoperasinyaberdasarkan

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Diagram32 showsthe displayof a cathoderayoscilloscope. Rajah32 menunjukkanpaparanosiloskopsinarkatod.

Diagram32 Rajah32 Whichstatementis trueaboutthe display? Pernyataanmanakahyang betultentangpaparantersebu? Type of current Jenis arus Directcurrent Arusterus Directcurrent Arusterus Alternating current

Time-base Dasarmasa off

ryupOn

off

Alternating current 45

Diagram33 showsthe molecularstructureof a p-typesemiconduclor. Rajah33 menunjukkanstrukturmolekulsemikonduktorjenisp.

Key Kunci

\11 \-y

Diagram33 Rajah33

Siliconatom Atom silicon Boronatom Atom boron

a

Electron Elektron

r')

Hole Lohong

This processis knownas Prosesini dikenalisebagai A

doping pendopan B modulation modulasi C amplification amplifikasi D rectification rektifikasi 4531/1o 2oo9rlak CiptaJpNJ

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Diagram34 showsa logicgate,A and its truthtable. Rajah34 menunjukkansebuahget logikA daniadual kebenarannya l-p-r

b

R

,-b1- l l-l---6 L - - q- --l--t-] i -1 i--s:l--l-l___l*_ 1 l,__

-l

-r

_T__q_J

Diagram34 Rajah34 Whatis get logicA? Apakahget logikA? AND gate Get DAN B NOTgate Get TAK C NOR gate Get lAK ATAU D NANDgate Get TAK DAN

A

47

switchcircuitto lightup a bulbduringthe day. Diagram35 showsan automatic Rajah35 menunjukkanlitar suisautomatikuntukmenghidupkanlampupada waktusiang.

Diagram 35 Rajah35 Whathappensif the positionof the LDRand resistor,R is reversed? Apakahyang akan berlakujika kedudukanLDRdan peringtang,R diterbalikkan? The bulblightsup duringnighttime Lampumenyalapada waktuntalarn B The bulblightsup duringdaytime Lampumenyalapada waktu stang C The bulblightsup alltftetime ntasa Lampumenyalasepan1ang D The bulbwillnotlightsup Lamputidakakan menyala

A

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Threetypes of radioactiveemissionmovethroughan erectricfield Tiga jenis sinaranradioaktifbergerakmelalui saturneclanelektrrk. Which diagramsshowsthe correctpathof the radioactiveemission? Raiah manakah menunjukkanlintasanyang betut bagi sinaran radioaktifitu?

B

A4u

,

|

-r, ,/ _-----..-.--aJ,,

, |

/v

-_-_:-->r

/)

c'!l

D

iZ _::=__-_-/

---T----

49

.vp '

-:_::=:,*//

--L

--7' :J

--l

Diag ra m3 6 s h o w sh o w th e th i c k n essof al umi ni umsheeti s standardi sed. Rajah 36 ntenunjukkanproses bagaimanaketebalartkeranjangaluminiunt dipiawaikan. Rr'lller Rotla

S ourceof gammaparti cl es Srimberzarah gantna

w M

. LJeteclor

Aluminium sheet Keranlang alttnrinium

Pengesan Dragram36 Rajah3e This processuses gamma rays becauseit Proses ini ntenqettrralansinarqantmakeranaia A

has a long half-life rnentpunyaiseparuhhayatyano paqanq B w i l l s te ri l i s eth e a i u m i n i u ms h e e t akan men sterilkan keranjanclalurninttt tri C can penetratealumirriurn sheet boleh menembusikeran1angaluminiurn D m a k e sth e a l u m i n i u ms h e e ts tronger menjadikankeranjangalumrntumiebrh kuat

4 5 3 1 / l t t l ( r 09 I I;r k( .ip ta.tp N.!

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the total lossof mass in the In the fissionreactionfor an atomof uranium-235, kg. reactionis 3.22x 10-28 Dalamtindak balaspembelahannukleusbagi satuatom uranium-23|,iumlah kehitanganjisimdalamtindakbalasitu ialah3.22x 1A''"kg. What is the energythat is released? Berapakahtenagayang dibebaskan? J A 9.66x 10-12 J B 2.90x 10-11 c 9.00x 1016J D 3.00x 108 J

PAPER ENDOF QUEST]ON KERIAS SOATANTAMAT

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PERCUBAAN PEPERIKSAAN SIJILPELAJARANMALAYSIA2OO9 PHYSICS Kertas 1 Ogos/September

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JABATAN PELAJAR,ANNEGERIJOHOR

PEPERIKSAANPERCUBAAN SIJIL PELAJARANMALAYSIA2OO9 PHYSICS Keftas 2 September2009 2'/z lam

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Duajam tiga puluh minit

J A N GA N B U K A K ER T ASS O A L ANIN IS E H IN GGAD IB E R ITA H U

1. T ult s k annom b o r k a d p e n g e n a l a nd a n angka giliran anda pada ruang yang disediakan. 2

Kertas soalan dwibahasa,

ini

adalah

Bahasa Soalan dalam mendahului soa/an yang dalan Bahasa Melayu.

Kod Pemeriksa B ahagi an S oal an

Markah P enuh

Markah Dioeroleh

1

dalam

q

lnggeris sepadan

3

-7

4

7

6

1

b

o

A

menjawab Calon dibenarkan keselurtthan atau sebahagian soalan sama ada dalam Bahasa lnggeris atau Bahasa Melayu

10 8

Calon dikehendakimembacamaklumat di halaman belakang kertas soalanini.

B

c

I

20

10 11

20

12

20 Juml ah

i halamanbercetakdan t halamantidak bercetak K er t ass oala ni n i me n g a n d u n g27

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The followinginformationmay be useful.The symbolshave their usual meaning. Maklumat berikut mungkin berfaedah. simbol-simbolmempunyai makna yanq biasa n

^ -

1'-u

17 rt -,*:g!!:t9t,:!, uppurent deltth

I

2. f =u2*2as

tlolant nyoto

,? = -,:-

I

'aF 2 = rny 4. Momentum 3. s=uf+

dalorn keluru

js . l- = ' * 1 /uu

5. F=ma 6. KineticenergyI Tenagakinetik

19 LinearmagnificationI

= /" mt/

P embesaranl i near,m= ! u

7. Gravitational potential energy/ Tenagakeupayaangraviti= mgh

20. v= fA z t.

. A=

(LX -

I) B. Elasticpotentialenergy/ I

22. Q= /t

Tenaga keupayaan kenyal = -rx 1

9. P ower ,P =

KUaSa, P =

eltergv trm e

24.V = l R

tenaaa ---L

masa m1Op= V p= L 11.Pressure I Tekanan, A 1a IL

PressureI Tekanan,P= hpg

IJ

Heat. lHaba,Q=mc9

t.+

HeatlHaba,Q=ml

PV 15 -=

2'1, tr = l/i

constanllpemalar

25. P ow erl K uasa,P = l V to

g = 10 ms' 2

N, = !.,,-,

27

N t,

l'/t,

28 EfficiencyI Kecekapan =

29

IV r*' I,1"

X 1A0o/o

E=M C -

30. c = 3.0x 10"ms-'

l

to

n=-

sini sln r

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4531t2 Section A BahagianA 160marksl 16Amarkahl A n s w e ra l l q u esti oni n thi s secti on. iawab semua soalancldam bahagianini.

Diagr anr1 s h o w s l i q h tra y s p a ra l l ew l i th t he pri nci palaxi s di rectecj to a concave m ir r or . Rajah 1 menunjttkkansinarancahayayang selaridengan paksiutama ditulukan ke sebuahcernrn cekung. C oncavemi rror tin cekttng

P ri nci palaxi s Paksi utarna

D i agram1 R aj ah1

( a)

Com p l e teth e s e n te n c eb e l o wb y ti c ki ng(i ) the correctbox. Lengkapkanayat di bawaltdenganrnenanda(r) dalam kotak yang betul The light rays reflectedby the mirrorwill Sinaran cahaya yang dipantulkanoleh cermin itu akan

Converge at a pointF. Menumpuke titikF. Diverge froma pointF Mencapahdaripadatiik F

tl

rl ll

Lr

| 1 markl l1 markahl

(b)

Com p l e teth e ra y d i a g ra mo n D i a g ram1 and mark ' F' on the pri nci palaxi s. Lengkapkanrajah sinarpada Rajah1 clantandakan 'F'pada paksiutama. 11markl 11markah)

(c)

W ha t i s th e c h a ra c te ri s tiocf i m a g eformedby the mi rrori n D i agram" 1 ? Apakah ciri-ciriirnel yan91dibentuk oleh cerntin clalant Rajalt 1?

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Diagram2.1 shows two constantanwires P and Q of the same length but of <jifferent c r os s - s e c ti o n aalre a , b e i n gu s e dto c a rryout an expenment. Rajah 2.1 menunjukkan dua dawai konstantanp dan e dengan panjang yang sama tetapi luas keratan rentasberbeza cligunakandatam menjalankan saiu exspertnten.

Diagram 21 Rajah2.1 lnitiallythe experiment is carriedout with P placedacrossXy After that p is replaced withQ andtheexperiment is repeated. The v-tgraphin Diagram2 2 shows the resultsobtainedfromtheexperiment. Pada asalnya, P disambungkanmerentasixy. Kemudian, eksperintencliulang dengan menggunakanQ. Graf V-l dalam Rajah 2 2 menttnjukkanhasil yang diperolehidalameksperimentersebut.

V /V

I/A

34

56

78

9

10

Diagram2.2 Rajah2.2 \ d,

Basedon Diagram 2.1,compare thecross-sectional areaof wiresP andQ Berdasarkan Rajah2.1, bandingkanluaskeratanrentasdawaiP dan Q. [1 mark] [1 markah)

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( b)

Basedon Diagram2.2: BerdasarkanRajah2.2. (')

statehowthe resistance of theconstantant wirescan be obtaineo. Nyatakanbagaimanarintangandawai konstantan dapatditentukan

11mark) markahl 11 ( ii )

Determine the resistance of conductor e. Showon yourgraph Tentukanrintanganbagikonduktore.Tunjurkkan padagraf anda.

[3 marks] [3 markah) Diagram3 shows two identicalfeedingbotiles submergedin liquidsp and e respectivelv. Raiah3 menunjukkandua botol susuyang sama dan masing-masingdirendamkan dalamcecairp dan e.

L i q u i dP \,ecatr P

Liquide Cecaire Diagram3 Rajah3

\d)

( i)

Drawand labertwo forcesthatact on the feedingbotfles whentheyare subrnerged in liquidp Lukisdan raberkan dua dayayangbeftindakke atasbotorsusuapabira direndamkandalam cecair p. [2 marks] 12markah]

( il)

statethe rerationship betweenthetwoforcesin youranswerfor 3(a)(r). Nyatakan perhubungancli antara dua daya tersebut berdasarkan jawapanandadatam3(a)(D.

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4531t2 l ri n c i p l eth a t i nvol vedi n the si tuati ongi ven i n dragram. S t a teth e p h y s i c a p Nyatakan prinsip fizik yana berkaitan clenclan.sl|traslyang Ciberrkan cialant ra.1ah.

i ' natrkl l t, rrr;:rxal i l S o me c o n te n to f th e fe e d i n gb o ttl esubmergedi n l i qui d p i s poured out -l he bo ttl ei s a g a i ns u b m e rg e di n l i q L ri P d Sedlktlkandunganbotol y'ang direnclantkan dalarncecair p rlikeluarkan. Bc,!::i ittt direndamkansemula dalamcecairP. ( i)

S ta tew h a t h a p p e n sto th e bottl e. Nyatakan apa yang berlaku kepitda hotesl

I rrl atki l 1,1rnarkahl

(ri)

T h e b o ttl ei s p u t i n to a d enserl i qui d S tate w hat happensto the bottl e E x p l a i ny o u r a n s w e r. Botol dimasukkan ke dalam cecair yang lebih tumpat. Nyatakan apa yang berlaku kepada batol. Terangkanjawapan anda.

l2 ntarks) [2 ntarkali] Diagr am s4 .1 s h o w sa p re s s u rec o o k e rfor cooki ngfood at hi gh temperature Raiah 4 1 menunjttkkansebuahperiuk tekananuntuk mentasakntakanan parla suhu tit'tggt.

Safetyvalve lnjap keselamatan

t/

Lid ---..---*---; Penutrrp

Qrtrfano

nf

Mai nval ve tnl apttttama

.'-/

Steam Slirn

H anci l e Penteclancl

linlid

Pennukaancccair

D i agram4 1 Rajah 4 1

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(a)

( b)

Whatis meantby pressure? Apakahyang dimaksudkan dengantekanan?

(4

11markl 11narkahl Explainwhy the gas pressureincreaseswith the increaseof the temperature. Terangkanmengapatekanan gas menlngkat dengan perlambahan suhu.

[2 marks] 12markahl ( ii )

Basedon the answerin a(b)(t),statethe gas law involved jawapan dalam4(b)(i1,nyatakanhukumgas yang terlibat. Berdasarkan l1 markl l1 markahl

(iii)

on the boilingpoint. State the effectof highgas pressure Nyatakankesantekanangas yangtinggikepadatakatdidih. 11markl 11ntarkahl

(c)

of cookeris 1 x 10s Pa, at the temperature The air pressure of the pressure of the air,whenthe air pressureis 1.5 x 10s 27'C. Whatis the temperature Pa? Tekananudaradalamperiuktekananialah 1x 105Pa, pada sultu27 "C. Berapakahsuhubilatekananudaramenjadil.5x 10' Pa?

12marksl 12markahl

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and infra-redare differenttypes of radiattonin the X-ray, microwave,ultraviolet electromagnetic spectrum. Srnar-X, gelombangmikro, ultra-ungudan infra-merahadalah ienis sinaranyang berldnandalamspektrumgelombangelektromagnet. (a)

in wavegivenin ascendingorderof vravelength Arrangethe electromagnetic Diagram5. yang diberikandalamsusunanmenarkdalant Susungelombangelectromagnet Rajah5. Shortestwavelength Panjang gelombang terpendek

Longestw avel engi h Panjang gelomban_o terPanJang

5 Diagram Raiah5 [2 marks] 12markahl (b)

spectrum. in the electromagnetic of all radiations Statetwo commonproperties jenis dalam spektrLtm sinaran yang bagi semua sama dua sifat Nyatakan elektromagnet. 1 L.

12marksl 12markah) (')

State one applicationof microwave. Nyatakan satu aplikasigelombang mikro

11nark) 11narkah)

(iD

E x p l a i nth e a n s w e ri n 5 (c ) (t). Terangkanjawapan dalant 5(c)(i7

[2 marks] l2 markahl

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Diagram6 showsa circuitusedas a safetysystemin a house. Raiah6 menunjukkanlitaryang digunakanuntuk sistemkeselamatandalamrumah.

Mainswitch Suisutama A B Hiddenswitch Suls tersembunyi Diagram6 Rajah6 ( a)

Name logicgate R. Namakan get logik R

[1 nark] l1 markahl (b)

Usingtwo switches, two dry cellsand a bulb,drawa circuitthat equivalent to lnnin lvl,Iv

nalo :,g\v

Q

v.

Menggunakandua suls, dua sel kering dan sebiji mentol, lukis litar yang menyerupaiget logik S.

12marksl 12 markahl (c)

Thetruthtablerepresents the logicgatein the Diagram6 above Jadual kebenaran di bawahmewakiliget logikdalim Rajah6 di atas. A 0 0

B 1

I

n

1

1

I

M

n

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(/)

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thetruthtableabove' Complete Lengkapkan iadualkebenarandl atas

453112

[2 marks] i2 narkah)

i s cl osed? W h a t h a p p e n sto th e d o o r and the gal e w hen the matn sw i tch clittitttp') utama suis pagar apabila pintu pi,tu clan kepada npa terjiii lt. narkl 11ntarxattl

( iii )

S ta te tw o me th o d s to o p e n thedoorandthegatesi mu| taneous| y' Nyata dua kaedahttntttkmembukaprntudartpirttttpagar serentak

2

12marksl 12markahl

runway horizontal P andQ on a frictionless trolleys Diagram7.1showstwo identical bars. steel with TrolleyP is loaded atas landasan napi LI mentrnitkkandua buah troli yang serupa P clan Q di di atasnya' keluli bongkah beberapa mengufuktanpageseran.TroliP cliletakkan

runwaY Horizontal rnengufuk Landasan D i agram7.1 Rajah7 .1 A hor izo n tafo l rc eo f 1 0 N a c t o n tro l l eyP and Q' Daya mengtfuk fi N yang bertindakke atas troli P dan Q (a)

(i)

TrolleyQ moves fasterthan trolleyP Ex Pl a i nYo u ro b s e rv a ti o n ? froll Q bergerak tebih lalttdaripada troli P' Terangkan Pemerhatian anda'

11rnarkl 11ma kahl (i i )

(a)(i ) Sta teth e p h y s i c a l a w th a t expl ai nsyour answ eri n ancladalam ('a)(t) pwapan yang nlenerangkan fizik htikun Nvatakan'

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Trolley Q then moves down the frictionlessslope as shown in Diagram 7.2 There is air resistanceactingon the trolleywhen it moves down the slope. Troti Q kemudiannyamenuruni lanclasancondong tanpa geseran seperli dalam Rajah7.2. Rintanganudara bertindakke atas troli ketika menuruni landasan.

( b)

Frictionless Slope Landasancondong tanpageseran 70,0cm

Rough surface Permukaan kasar

D i agram7.2 Rajah 7.2 O n th e D i a g ra m7 .2 , w h e n th e tro ll eyQ i s movi ngdow n the fri cti onl esssl ope, labe l , Pada Rajah 7.2, ketika troli Q menurunilandasan condong terpampas geseran, labelkan,

(c)

(/)

the directionof the force due to gravity. arah daya disebabkangravitl.

(10

the directionof the force due to air resislance. arah daya disebabkanrinlanganudara.

11markl l1 markahl

State the effect of the air resistanceto the motionof trolleyO along frictionless s lop e i n D i a g ra m7 .2 , Nyatakan kesanrintanganudara terhadapgerakan troli Q sepanjang landasan condong tanpa geseran pada Raiah7 .2,

l1 mark) 11markahl

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12

4531t2

comparethe motionof trolleye at the frictionless slopeand the roughsurface BandingkanpergerakantroliQ pada landasancondongtanpa geserandan permukaankasar

11markl l1 markahl

(e) (0

The mass of trolleyQ is 500 g. calculatethe gravitationalpotential energyof trolleyQ, at thetop of the slope. Jisim troliQ ialah 500g. Kirakantenaga keupayaangraviti bagi troti e , pada kedudukantertinggilandasan.

12 marks] '.2markahl

(0

The kineticenergyof the trolleye at the top of the stope is 3.0 J. Calculate the totalenergyof thetrolley. Tenagakinetic troli Q pada kecludukanatas cerun ialah 3.0 J. Kirakan jumlah tenagatroli itu.

13marks) [3 markahl

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Diagram 8 shows an undergroundwater pipe that is leaking.The radioactive salt contains radioisotopeis used to detect the leakaqe. -tanah Raiah 8 menunjukkan satu paip air di bawah yang bocor. Garam radioaktif yang mengandungi radioisotop digunakan untuk mengesai kebocoran.

Radioactivedetector Pengesan sinaran

Counter Pembilang Groundlevel Permukaan tanah

Water leaked out from the pipe eir nocor daripaip ,

Water pipe Paip air

Water treatedwith radioactivesalt Air yang dicampurkan dengan garam radioaktif Diagram8 RaiahB

Table 8 shows four radioisotopes with their respectiveproperties. Jadual 8 menunjukkanempat radioisotopdengan sifat'marsing_masing. Type of radiation Half-life Physicalstate Jenissinaran Separuhhayat Keadaanfizikal Cobalt-60

5.27years 5,27tahun

Soiid

zas vEis --l 28.5tahun

sorio

I

pepejat

15 hours 15jam

I Li qui d Cecair

' 14.3days 14.3hari

Li qui d Cecair

Table8 Jadual B ( d/

What is meant by half-life? Apakah yang dimaksudkan dengan separuhhayat ?

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Basedon the TableB, statethe suitableproperties of the radioisotope to detect the leakage. Givereasonfor thesuitability of the properties. BerdasarkanJadual 8, nyatakan sifat-sifatradioisotopyang sesuai untuk mengesankebacoranpadapaip. Berisebabmengapasifat-sifat itu sesuai. (0

Typeof radiation I Jenissinaran

Reason/ Sebab

l2 marksl [2 markahj

(in

Half-lifeI Separuhhayat

Reason/ Sebab

l2 marksl l2 markahl (iii)

Physicalstate/ Keadaan fizikat

R e a s o n/ S e b a b

[2 marks] l2 markah) Determinethe most suitablera d i oi sotopethat can be used to detect the leakage. Tentukan radioisotop yang paling sesuai digunakan untuk mengesan kebacoranpadapaip.

11nark l markah 11 l

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The radioisotope in 8(c)hasan initialcountrateof 1600countsper minute. Calculatethe timetakenfor the radioisotope in the waterto become100counts perminute. Radioisotopdalam 8(c) mempunyaikadar bilang awal sebanyak fta} bilang per minit. Kirakan masauntukradioisotopdalamair menjadi 10Obilanganper minit.

[2 marks] l2 markahl (e)

Cobalt-60emits gamma ray. Kobalt-60memancad
State one propertyof the gamma ray. Nyatakan salu sr'fafsinargama.

| 1 markl l1 markah)

(o

Comparethe speed of gammaray and speedof lightin the vacuum. Bandingkan kelajuan sinargama dan kelajuan cahaya dalam vakum.

[ 1 markl | 1 markahl

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SectionB BahagianB i2A marksl l2Amarkahl Answeranyone questionfromthissection. Jawabmana-manasatu saalandaripadabahagianini. Diagram9.1 showsa lightray passingfromair intoglass. Diagram9.2showsa lightraypassing fromairintowater. index: Glass= 1.50;Water = 1.33] [Refractive Rajah 9.1 menunjukkansatu sinarcahaya merambatdari udara ke dalam kaca. Rajah 9.2 menunjukkansatu sinarcahayamerambatdari udarake dalam air. llndeksbiasa, kaca= 1.5:air = 1.331

A ir Udara

:,.,1 l 'i ).,

r\)(,.ljli( Glass Kaca Diagram9.1 Rajah9.1

DiagramI 2 Rajah9.2

of lightas shownin Diagram9.1and Diagram ( a) (i) Namethe phenomenon 9.2. l1 markl Namakanfenomenacahaya seperliyang ditunjukkandalam Rajah 9.1dan Rajah9.2 11markah) (ii) Whatis the meaningof refractive index Apakahmaksudindeksbiasan

11markl markuhl 11

( b) UsingDiagram 9.1and Diagram 9 2,

Menggunakan Rajah9.1 dan RajahI 2, (i) comparethe refractive indexof the glassandthewater. indekbiasanbagikacadan air. Bandingkan

l1 markl 11ntarkah)

(ii) comparethe refracted anglein theglassandthatin the water. 11markl Bandingkansudut biasandi dalamkacadan di dalamair. 11markahl

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453112

State the relationship betweenthe refractiveindex with the anole of 11markl Nyatakanhubunganantaraindekbiasandengansudutpembiasan. 11markahl refraction

(c) Namethe physicslawthatrelatesthe angleof incidence and the angleof refraction

[1 mark]

Namakanhukumfizik yang menghubungkaitkan sudut tuju dengan sudut biasan. 11markahl (d) With the aid of labeldiagram,explainhow the mrrageoccurs on the hot surface of a road [4 marksl Dengan bantuan gambar rajah berlabel, terangkan bagaimana logamaya boleh terbentuk di ataspermukaanjalanraya yang panas. 14 markahl (e) You are given two pieces of identicalprism with internalangle 450 g00, 45" and two converginglensesto make a binocular. Anda diberi dua keping prisma kaca serupa yang berukuran 4So.900, 450 dan dua kanta penumpu untuk membina sebuah binakular ringkas. Using the materialsstated above, explain how you are goi ng to bui l d a simole binocular. [6 marks]

Dengan menggunakanradas yang dinyatakan di atas, terangkan bagaimanaanda membinasebuahbinokularringkas. [6 markahl Suggest modificationsneed to be done on the simple binocular to producebrighterand biggerimage. [4 marks) Cadangkan pengubahsuaian yang perlu dilakukan terhadap binocular ringkas itu untuk menghasilkan imej yang lebih terang dan lebih besar. 14markahl

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10 Diagram'10.'land Diagram10.2showmagners beingpushedwiththe samespeed intowirecoilsconnected to galvanometers. Raiah 10 1 dan Raiah10.2menunjukkanm.agnefsedangclitolax ctenganketajuan yang samake daramgegerungdawaiyang crisambungkai kepaoaqaitanometer

}.}ei|*rN*N{i*{ii

Diagram 10.1 Rajah10.1

'*f*;i

Diagram 10.2 Rajah10.2 (a) Whatis the meaningof electromagnetic induction? Apakahmaksudaruhanelektromagnet?

11markl [1 markah]

(b) UsingDiagram10.1and Diagram10.2,compare the numberof magnets, the densityof the magneticflux and angleof deflection of the galvlnometer pointer. Menggunakan Rajah i0.1 dan Rajah 10.2,bancringkanbl"rgurL3,#.jif:tl, ketumpatanfluksmagnetdan sudutpesonganjarump-enunjuk galvanometer. [3 markahl

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t.c) Statethe relationshipbetween Nyatakan h ub urtgan a ntara ( t ) th e n u m b e ro f ma g n e tsa n d th e densi tyof the magneti cfl ux, bilangan magnet dengan ketumpatanitux, *"giit (ii) the densityof the magneticflux and the magnitudeof inducedcurrent flow ketumpatanfluks magnet clenganmagntud a!iran arusaruhan. [2 marksl [2 markah] ( d) Dia g ra m1 0 .3s h o w sth e p a rts o f a movi ngcoi lgal vanometer. men uniukkan oa nagian-tainZgiansu atu ga tva nometer gegetung f:!r\: r::, Scale S kal a

P o i n te r Jarum penunjuk

Softironcore Ieras besllembut

Permanent magnet Magnet kekal

Wirecoils Gegelungdawai

Currenl Arus

C ontrolspri ng Springkawalan

D i agram10 3 Rajah 10.3 ( i)

Explain.theworkingp1:?fle of-lhemovingcorlgalvanometer. [4 marks] Terangkanprinsip kerjagalvanometerge[elung bergerak itu. p marxahl

( ii)

coir garvanometeris found to be unabre to detect smar/ cJl^"-T"ilq h a n g e so f i n d u c e ccj u rre n t. Galvanom,eteritu didapati tidak dapat mengesan perubahan arusaruhan yang kecil. su.ggest and exprain the modificationsthat need to be done on the gatvanometer to increaseits sensitivtty. cadang. dan terangkan pengubahsuaian ke atas garvanometeruntuk meningkatkan kepekaannya. [10 marksl [10 narkah]

4 5 3 1 1 2 @ 2 o o 9H ak cip ta Jp NJ

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SectionC Bahagian C [20 marks] [20 markahJ Answeranyone question fromthissection, Jawabmana-mana satusoalandaripada bahagian ini. 11

Diagram11.1showstwo archersshootinga targetusingthe differentbows,but with sameinitiallengthof elasticcords.The pullingforce,F icting on the etastjccordsis identical. Rajah 11.1 menunjukkan dua arang pemanah memanah sasaran denoan menggunakananak panah yang berlainan,tetapi panjang asal tali kenyal aaJtan sama.Daya tarikan,F, yangdikenakanke alas keclua-duatalikenyaladalah sama. BowA AnakpanahA Force,F Daya,F

Bow B AnakpanahB Force,F Daya,F

lasticcord A

TalikenyalA

Elasticcord B Tali kenyalB

Diagram 11.1 Rajah11.1 (a)

Whatis meantby etasticity? Apakahyang dimaksudkandengankekenyalan?

(b)

(i)

11markl 11markahl

Using the conceptof elasticity,identifythe similaritiesand differences betweenthetwosituations 14marksl Menggunakan konsep kekenyalan,kenalpasti kesamaan dan perbezaan di antara kedua-dua sl/uasi. [4 markah)

(ii)

sketch on the same graph of force against extension for the two elastic cords A and B. 11markl Pada graf daya melawan pemanjangan yang sama, lakarkan graf bagi kedua-dua tali kenyal A dan B. I markahl

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Diagram1'1.3 shows a catapultused to projectan object.Force F pulls back the object,creatingtensionin the rubbercords.Rajah 11.3 menunjukkan sebuah lastikdigunakan untuk melastikobjek. Daya F menarik objek ke belakang,menghasirkanregangan paclatatigetah

Rubbercord Taligetah

D i agram11.3 R aj ah1a,3

D i agram11.4 Rajah 11.4

The tensionforce in each rubbercord is 20 N and the two cords are at 60. to each otheras shownin Diagram11.4. Determinethe magnitudeand directionof the resultantforce of these rensron forces using parallelogramof forces method. [Use the scale 1 cm : 2.5 N] 14 marksl Daya regangan pada setiap tali getah ialah20 N dan kecJua-eluatali berada ttada 60" antara satu samalain sepertiyang ditunjukkandalam Rajah 11.4. Tentukan magnitud dan arah daya paduan untuk daya-claia reganqan dengan menggunakankaedah segiempatselaridaya. [Gttnakanskala1 cm : 2 5 N] [4 markahl

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(d)

4531t2

Table 11 shows four arm exerciseequipments,P, Q, R and S, with different specifications. You are askedto investigate the characteristics of the arm exerciseequipment as shownin Table11. Jadual 11 menunjukkanlima alat senaman tangan, P, Q, R dan S, dengan spesifikasiyang berbeza. Anda diminta untuk mengkaji ciri-ciri alat senaman tangan sebagaimana ditunjukkandalamJadual11. Explainthe suitabilityof eachfeatureof the arm exerciseequipmentin Table11. Determinethe mostsuitablearm exerciseequipmentto be used. Give reasonsfor yourchoice.

110ma*s!

Terangkankesesuaransetiapciri alat senamantangandalam Jadual 11. Tentukanalat senamantanganyang palingsesualuntuk digunakan. Beri sebabbagipilihananda. 110markahl

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4531t2

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i A rm e x e rc i s ee o u i o me n lP Alat senanan tanglanP

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Tni n w i res Dawai nipis

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S p ri n gme ta rra lSte e i Jenis-hahan spring' KelLtii

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Springarrangernent: Series i Susrirtansprin
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Lrngkarandiameter besar

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Thinwires Dawainipis

Armexercise equipment, Q Alat senaman tangan,Q Springmetarial: Copper JenisbahanspringKupnrm

I arge di ametercoi l Lingkaran d iameter he sar Arnr exerciseequiprnentR Alat senamantangan,F.

'j-irick wires Dawai le!:a!

' opper Sp ri n gm e ta ri a lC Jonis bahan spfl/lq. Kuprurrt S mal ldi ametercoi l Lingkaran diameter kecil

Sp ri n ga rra n g e rn e nSe t rre s Susurran.spdng.Seslri

Thrckwires Dawaitebal

A rn i e x e rc i s ce q u i P m c rtt!l Alat senamantangan.S S p ri n gme ta ri a iSte e l Jenis t.taltans;tring Keitiit S n ri n l ;a rra ' tg e i )e i ' tPa ra l r+ , Susunan sprtngyS;r:iari

S nral ldi arnetercorl L-inqkaran d ia meter keci!

i abl e 11 ,Jatlual11

4 5 3 1 1 2 6 , ? i r o sHa k ciDr a.r p N.t

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Diag ra m1 2 .1 (a )a n d D i a g ra m1 2 1 (b)show photographs of tw o el ectrrcci rcui ts.E ach c ir c u i tc o n ta i n stw o i d e n ti c adl ry c e l l sof e.m.f1.5v, a i esi storR and an ammerer. R,ajah12.1(a1dan Raiah 12 1(b) menunjukkanfotagraf bagi clua litar etektrik setiap litar mengandungidua seryang serupadengan cl g.e r 5 V, sa/u perir-tta,g R cransatu ammeter.

) ['',

i.,''

D i a g ra m1 2 .1 (a ) R a j a h1 2 .1 (a )

1.,

D i agranr121(b) R aj ah 12 1(b) D i agram12.1 R ai ah12.1

(a)

W hat i s m e a n tb y e .m.f.? Apakah maksud cl.g.e. ?.

(b)

lt markl 11markahl

(i)

Draw two electricalcircuit diagrams for photographsI n D i agram 121(a) and D i a g ra m1 2 .1 (b ). ntarks] [2 Lukis dua rajah litar elektrik bagi fotograph dalam Rajah 12 1(a) dan Rajah 1 2 .1 (b ). [2 markah]

(ii)

N a me th e d ry c e l l sc o n n e c ti o n for D i agram12.1(a). Namakanjenissambunganselkeringdalam Rajah12 1(.a)

(iii)

S ta teth e a d v a n ta g eo f D i a g ra m12 1(b)as comparedto D agranr12 1(a)

11narkl 11markah)

Nyatakan satukelebihan Rajah 12.1(b)berbancling clenganRajah 12 1G)11''u'kl [1 markahl

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Table12 showsfour rampsp, e, R and s withdifferentspecifications. Youare askedto investigate thecharacteristics of tne rampsas ,no*n in Table12. Jadual12menunju.kkan rimarampu,p, e, R dan s, denganspesifikasiyangberbeza. Anda dimintauntukmengkaiiciri-cirilampu sebagaimaiaaitinjixxan datamJaduat 12. Explainthe suitabilityof eachfeatureof the lampin Table12. Determine the most suitablelampto be usedas a readinglamp. Givereasonsfor yourchoice. 110marksl Terangkankesesuaiansetiapcirilampu dalamJaduat12. Tentukanlampuyangpatingsesuaiuntukdigunakanseoagai Iampu membaca. Beri sebabbagi pilihan anda. [10 markahl

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l-ampP Lampu P

fffiuterrcY75 'rr., Kecekapan

Powerrating Kuasaelektrik 300w, 240v

Cost Xos RM 70

400C hours i .rfeti rne ianqke hayat 40AO1am

Lam p Q Lampu Q

i Lampu R

80 % Efficiency Kecekapan

Powerrating Kuasaelektrik 36 W, 240V

Cost Kos RM 30

Lifetime 8000hours Jarrykalteyal8000jam

I

i Cost I Kos IRM15

I

P o w e i ' ra ti n g Kuasa elekUik 1 0 0w , 2 4 0 v

L-i fel i me 6000 houi " s Jarrykafiayaf 6000 jam

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Efficiency60 % Kecekapatt

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Cost Kos RM 1O

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The power ratingof Lanip P is 200 !V, 244 V . LamptrP clilabeldenllan kuasaelektrtk200 W 244 \'/ (i)

State the change of errergyin l-arttpP Nyatakanperuhahantenagarlalam LantpuP

( ii) Cal c u l a teth e e i e c tri cc u rre n ta n d resi stancei oi i -artrp-' Kirakanaruselekhik tlan tintanqanL arr4tttt')

11nrark) t1 rnarkahl [4 rnarks] 14 ntarkahl

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SULIT 4531/2(PP) Fizik Kertas 2 September 2009

JABATAN PELAJARAN NEGERIJOHOR PEPERIKSAANPERCUBAAN SIJIL PELAJARANMALAYSIA 2OO9

FIZIK Kertas2 PERATUR,AN PEMARKAHAN

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SECTIONA

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Convergeat a pointF A.nypointat the princ;ipal axisin frontof the mirror

(b) (c)

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I I Forceper unitarea r ( b) i (i) | Increase thetemperature willincrease the kineticenengy of I molec;ules I Therateof collision betw'een thegasmolecules andthewalls increase, thusthe pressure of the gasincrease.

7mark;iI '- '

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1

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Air resistance

Weighl'r

Air resistancedecreasethe accelerationof tfre trolleyi/trolley move slower Trolleymove slowerat rough surfacethan at frictionlessslope

(c) ( d)

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Paper 2 SectionB

r c lr s n l(ii) _ I I L__l (b) L-l I ]

--l__Li ----_--Refractive indexis the ratioof sin angleof incidence to the sin of 1

I | | refraction _ __f I iel]sl_9_of is sreqler!lE!-Ue ryelgttrtqe__ygea__i 1 l i !i)__l(eJp9!ve_gde_1 lollhe__glass in The angle of refraction water is largerthantheangleof refraction | tiil I I 1 i

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Hotsurfaceroad l"he iayersr:f the air near the ground are hotterwhen heated by the sun // diagram The air at higher layers is cooler and denser compare to the air at lolverlayer. Lightfrom the sKypassingthroughthese differencedensitylayersof air wiil refractedgraduallytoward the horizon Total lnternalreflectionoccurwhen criticalangle larger than incidence angie

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Objective lens

Totalinternal reflection Prisrn

Totalinter reflection Eyepiece lens

Ir- --t----' I

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Distribution of marks: 1 mark -- Labeled900prism 1 mark -- Arrangernentof prisms--- facing each other 1 mark -- Locationof objectivelens 1 mark -- Locationof the eyepiecelens 1 mark -- Light ray with 2 times total internalreflectionat the '1*1,prism 1 mark -- Lightray with 2 timestotalinternalreflectionat the 2ndprisrn

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magneticflux has o

permanentmagnetproducing a pairof forcesthatturnsthewire

-

coilstogetherwith the pointer. The controlspringwill produceforcesopposing the movement of the coil forcingthe coil to conre to a stop When the currentstops,the tur.ning forcesoecomezero, and the controlspringsreturn the coil and the pointer back to its initiat

(ii) I he sensitivity of themovingcoilgalvanomeiei cZnOeincreasedby - rncreasing the strengthof the radialmagneticfield rel="nofollow"> increasethe force betweenthe currentcarryingcoil and nragneticfield.

i1

usinghairspring of lowerstiffness > smalleropposing forcesto stoptheturningof the coil usinga lighterpointer F smallerinertia,easierto move usinga coilof lightermass F smallerinertia, ableto moveeasily rncreasing theareaof the coil i morechangesto the nragnetic fiux,a tliggerforcets produced.

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Paper 2 Section C

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PHYSICS Kertas 3 Ogos/Sept.2009 1T,iam

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J AN G A NBU KA K ER T ASS O A L A NIN IS E FIIN GGA D IB E R ITA H U Tulisnomborkad pengenalandan angka giliran anda pada ruang yang disediakan.

Untuk Kequnaan Pemeriksa Kod Pemeriksa

Kertassoalanini adalahdalam dwibahasa.

B ahagi an Soalan

Soalandi bahagianatasdalam bahasalnageris.Soalandi bahagian bawah yang sepadandalambahasa Melayu.

A

Calon diben arkan menjawab keseluruhanatau sebahagiansoalan sama ada dalam bahasalnggeris atau bahasaMelayu.

B

Markah Markah P enuh Dioerolehi

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Kertas soalan ini mengandungi14 halamanbercetakdan 2 halamantidak bercetak

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SectionA BahagianA [28 marksi 28 markahl Answerall questionsin thrssection. Jawabsemua soalanclalambahagianini. 1.

A studentcarriesout an experiment to investigate the relationship betweenthe resistance, R, of a wire and the temperature, 0, of the resistor, Diagram1.1 showsthe circuitusedln the experiment. Seorangpelajar menjalankan satueksperimenuntuk mengkajihubungan di antara rintangan,R, bagi seulas dawaiperintangdengansuhu,8,bagi dawai itu. Rajah 1.1 menunjukkanIitaryang diglunakan dalameksperimenitu. Rheostat/ Reoslal

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Resistor / Dawaiperintang B unsenburner/ P enunuB unsen

D i agraml l l R aj ahl .l

The Bunsenburneris usedto heatup the waterand the temperature of rvateris equalto the temperature of the resistor.€ -- 20 0C The rheostatis adjustedto obrarna suitable current.The current./ and the potential difference, V, acrossthe wtreare measuredby an ammeterand a voltmeterrespectively. Diagram1.2showsthe readirgsof the ammeterand voltrneter. The procedureis repeatedfor temperature of the resistor.I = 30'C 40 cC,50 0Cand 60 "C. The corresponding readingsof the ammeterand the voltmeterare shownin Diagr am s1 .3 ,1 .4 ,1 .5a n d 1 6 PenunuBunsendigunakanuntukmemanaskanair dan suttuair bersamaandengan suhudawai perrntang,0 = 20aC Reostaldilaraskan untukmemperolehsatunilaiarus yang sesuai.Arus,l, dan beza keupayaan,V, merenfasidawaiitu masing-masingdiukur oleh ammelerdan voltmeter Ralah1 2 menunjLtkkan bacaanamrneterdan voltmeter. Prosedttr itu diulangbagisuhuctawai, 0 = 30 i'C,40 0C.50 oCdan 60 JC.Bacaan-Dacaan sepadanbagi ammeterdan voltmeterdrtttnjukkan dalarn Rajalr1 3, 1 4. 1 5 dan 1.6.

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( a)

For the experimentdescribedon page 2,3 and 4 identify: Bagieksperimenyang diterangkandi halaman2.3 dan 4 kenal pasti ( i)

T h e ma n i p u l a tevda ri a b l e , lasikan, PembolehubahdimaniPu

11mark) markahl 11 (ii)

T h e re s p o n d i nvga ri a b l e , Pembolehubah bergerak balas

l1 nark) l1 markah) (iii)

A constantvariable. Satupembolehubahdimalarkart

11mark) [1 markah)

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(b) What is the functionof the stripof mirrorbelowthe scale of the voltmeteras shown in Di a g ra m1 .2 ? Apakah kegunaanialur cermin di bawah skalavoltmeteritu sepeftiditunjukkan pada Rajah 1.2?

11maftl 11markahl ( c ) B as e do n D i a g ra m s1 .2 ,1 .3 ,1 .4 ,1 .5a nd 1.6on pages3 and4, determi ne the current,/ and potentialdifference,v for the correspondingtemperatureof wire, 0. For each value of 0, calculatethe resistance,R of the wire. The resistance, R, is calculated usingthe tormula,R = I

I

Tabulateyour resultslor 0, l, V and R in the space below. BerdasarkanRajah 1.2, 1.3,1.4, 1.5dan 1.6di halaman3 dan 4, tentukan arus,l, beza keupayaan,V, yang sepadandengansuhu dawai,0. Bagi setiapnitai0, hitungkanrintangan,Rbagi dawai itu. Rintangan, R, dihitung denganmenggunakan ,uru". n =\ I

Jadualkankeputusananda bagi 0, l, V dan R pada ruang di bawah.

[5 marks] [5 markahl (d)

(e)

(f)

On the graphpaperon Page6, plota graphof R against0. Pada keftasgraf di halaman 6, lukiskangraf R melawan 0. Basedon yourgraph,statethe relationship betweenR and 0. Berdasarkangraf anda. nyatakanhubunganantara R dan 0.

15ma*sl [5 markahl

l1 markl 11markahl Stateoneprecaution thatshouldbetakento obtainaccuratereadingsof V. Nyatakansatulangkahberjaga-jaga yangperludiambiluntukmendapatkan bacaanV yanglebihjitu,

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2. A studentcarriedout an expenmentto investigate the relationship beiweenthe temperatures of a heatedsolid,d.and the heatingtime t. The studentusedthe same jmmersionheaterto heatup the solidof a constantmass.The initial temperature of the solid,1ic,and the frnaltemperature of the solidafterbeingheated.{ are recorded. Seorangpelajarrnenjalankansatueksperimenuntukmenyiasatperkaitandi aniara suhu pepeialapabiladipanaskandan masa pemanasan,t. Pelajaritu menggunakan bagl sLtatLt pemanasrendantyang samauntuk pemanasandan ltsimpepejatitu adalahtetai. Sunu awal, 0o, dan suhu akhir, (l bagi pepejal itu dicatatkan. T he r es ulto f th e e x p e rl m e ni st s h o w nrnth e graphof dagai nstI as show nrn D i agram2.1. Keputusaneksperimenini ditunjukkanrlalamgraf 0 melawanI seperli Raiah2.1.

Graphof //againstI Graf0 melawant

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453113 B as edo n th e g ra p hi n D i a g ra m2 .1 : Berdasarkangraf dalam Rajah2.1: (i)

Determinethe initialtemperature, do,of the solid. Showon the graphhow you determinedoand writethe valuebelow" Tentukansuhu awal, bagi pepejal itu. Tunjukkanpada graf bagaimana anda menentukannyadan tulisjawapan anda di bawah.

0o=

(ii)

[2 marks] 12markahl

What happento dwhen f increases? Apakah yang berlaku kepada 0 apabilat meningkat2

11markl 11markahl (iii) Determinethe temperature, d, of the heatedsolidwhen the heatingtime,t, is 2 .5 mi n . Showon the graphhow you determinethe valueof d. Tentukansuhu, 0, bagi pepejalyang dipanaskanitu apabila masa pemanasan,t, ialah 2.5 ninit. Tunjukkanpada graf bagaimanaanda menentukan nilai 0.

12marksl 12markah)

Q=

(b)

The specificheatcapacity,c, of the solidis givenby the equation; Muatan haba tentu, c bagi pepejal diberikanoleh persamaan;

2.16x 103 K wherek is the gradientof the graph. di mana k ialah kecerunangraf. (i)

Calculatethe gradient,k, of the graphdagainstf. Showon the graphhow you determinek. Kirakan kecerunan,k, bagi graf 0 melawant. Tunjukkanpada graf bagaimana kamu menentukannilaik.

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(ii) Calculatethe valueof the specificheatcapacity,c, of the solid Kirakan nilai muatan haba tentu, c, bagi pepejal itu.

12marksl 12markahl (c)

Statetwo precautions thatcanbe takento improvethe accuracyof the readings inthisexperiment. yangdiambiluntukmemperbaiki Nyatakandua langkahberjaga-jaga kejituan bacaandalameksperimenini.

12marksl 12narkahl

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Section B Bahagian B [1 2 m arks] 112 rnarkahl Answerany one questionfrom thrssection Jawab mana-tnatlasatu soa/andaripadabahagian ini r a t i s ro l l i n gdow na w oodenpl ankfrom a smal ll orry. 3. Dr agr am3 .' l s h o w sa c y l i n d eth down the same woodenplankfrom a Diagram3 2 showsthe same cylinderthat rs r-olhng big lorry lt is noticedthat the cylinderis rollingfasterfrom the big lorry Rajah3 1 menunjukkan.saluse/inderplastikyang sedang bergolekturun dari sebuah lori kecildenganmenggunakansekepingpapan tebal. Rajah3.2 menunjukkansatu selinderplastikyang samayang bergolekturun dari sebuah papantebalyang sama Drdapatibaltawaselinderitu lori besardenganmenggunakan bergolek turun lebih laju dari lort besar.

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Diagram4.1 and Diagram4.2 showsan electricbell. In Diagram4.1, when it is connectedto two batteries,the beilwirrring. ln Diagram4.2,when it rs connectedto four batteries, the belr*irr iin!- rouder. Whenthe bell ringslouder,the forceexertedon the hammer is great6r. +! dan Rajah4.2 menunjukkan suatu tocengetektrik lafn Dalam Rajah4.1, bitadisambuigkan kepadadua bateri,roceng akanberbunyi.

flZifri\yr

4.2,bita disambun-skan xe,paai iua bateri, roc'nlg)iuitr"rnrnyi densan

Bil.a,loceng berbunyidenganrebihkuat, daya yang bertindakke atas pengetukadarah lebih besar.

Iron core Ieras besi

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Basedon theinformation andobservation: Berdasarkan maklumatdanpemerhatian tersebut. (a,)Stateone suitableinference. Nyatakansatu inferens yang sesuai (b/ Stateone suitablehypothesis. Nyatakansatu hrpolesis yang sesuai.

[1 mark] [1 markah)

11markl ll markah| (c/ with theuseof apparatus suchas batteries, ironcore,insulated copperwire,connecting wiresandothersapparatus, describe oneexperiment to invesiigaiJine nypotnesis stated in 4 (b). Denganmenggunakan radasseperti bateri,terasbesl dawaikuprumbertebat,dawai penyambung danradaslain,terangkansatu eksperimen untur iiiiyiasat hipotesis yang dinyatakan di 4(b).

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stateclearlythe following: ! yourdescription, Dalampenerangananda,nyatakan denganlelasperkaraberikut: (i)

The aim of the experiment. Tujuaneksperimen.

(r)

The variablesin the experiment. Pembolehubah dalam eksperimen.

(iii) The listof apparatusand materiats. Senarairadasdan bahan. (iv) The arrangement of the apparalus. Susunanradas. (v)

The procedureof the experiment, whichshouldincludeone methodof controlling the manipulated variabieand one methodof measuringthe responding variable. Prosedur eksperimenyang mestitermasuk satu kaedah mengawal pembolehubahdimasipurasi dan satu kaedahmengukurpem6obhubah bergerakbalas.

(vi) The way you tabulatethe data. Cara anda menlaclualkandata. (vii) The way you analysethe data. Caraanda menganalisis data. [10 marks] [14 ma*ah]

ENDOF QUESTIONPAPER KERTASSOALANTAMAT

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JABATANPELAJARANNEGERIJOHOR PERCUBAAN PEPERIKSAAN SIJILPEI-AJARANMALAYSIA2OO9

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PHYSICS Kertas 3 PeraturanPemarkahan Ogos/Sept.2009 -..........''....r-

UNTUKKEGUNAANPEMERIKSASAHAJA

AMARAN Peraturanpemarkahanini SULIT dan Hak Cipta Jabatan Pelajaran NegeriJohor. Kegunaannyakhusus untuk pemeriksa yang berkenaan sahaja. Sebarang maklumat dalam peraturan pernerkahanini tidak boleh dimaklumkankepadasesiapa. Peraturanpemarkahanini tidak boleh dalamapa-apabentukmedia dikeluarkan

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SULII PEPERIKSAAN PERCUBAAN SPM 2OO9 I'HYSICS3 QuestionI Statethe correct manipulatedvariable I (a) //0 Temperature Statethe correctrespondingvariable / R li PotentialdiflerenceI V ll CurrentI I Resistance Stateone fixed variablecorrectlY areaof the wire llType of wire f)iameterof the wire ii Cross-sectional (b) (0)

State the cellect use of the mirror Avoid narallax error

"l'abulate0, tr, V and R correctlY Givea tick (r'; basedon thefbllowing: A

o Columns A, I, V anrl R

B

o Correcl units.fttr 0, I, L' and R

C

o All values rtf I <:orrect

D

t All values oJ'I consistent tr.t2 cl'p.

E

t All values ofV torrect

F

o All values o.f V r:onsistentto I or 2 d.p.

G

e All values of R correcl

H

o All values of R consislenl to 2' -7or 4 d-|s-

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D

o 5 pointsplottedcorrectly

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[Note: 3 or 4 pointsplottedcorrectly: /J {

E

o Beststraightline

F

o Minimum sizeof graph5 x 4 big squares '/ (Bigsquare:2cmx2cm) (F'rornthe originto the lastpoint)

Marks awarded:

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| .-,_,__'____ Statethe correctrelationshipbasedon the straightline drawn I f.rr straightline with positivegradientpassingthroughthe origin, I "

to 0 i R u / R directlyproportiorral to temperature proportional is ilirectl""I Resistance t0

I

| tro* a straighttinewith positivegradientthat doesnot passthroughthe origin' linearlywith 0. incrcases I Resistance L---*.---,--

I Stateone suitablePrecaution eye I Cc,ne,rtthe zeroerrorby calibratingthe z-eroadjustmentscrew// Positionof the to the readingscaleto avoidparallaxerror/i Repeal I rnrrstL'eperpendicular the averagei,/Ail connectionof the circuitmustbe tight i experimentarrcicalc:ulate

__ _. =auq$I!{l}r_?_ L ryg.j

-Ybt\inequq:',q--

I 2(aXD I Statethe valuc of d,within the acceptablerange correctly ] i - sttowgraphicaiextrapolatir:n r 0-2 "C I - stetethe valuervithin28 I and decimal unit ignore Places I i l____,.,

i

I

_ _I*.--.---

----,_

(ii) | Statethe chungescorrectly

i

- increases

t- rlil1 s;Ah;ffi;;f I i I

tn*,"""pGul"-'*e" B*ad,i"

correctl,v I - showgraphicalextrapolatiorr l"Cl value within 3 I - statethe - statethe valuei answerwith conectunit i

L____ _.._r_._-_-

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ILihat setrelah SI.JI,IT

papercollection

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SULIT

---

stateflrenarueof-nwitLi"ih"th" gdie;[/,, I Olil]c-*ht" "nd range I I acceptable j - Drawsufficiently largetriangle> 4 sqx 4 sq I

l-I I

34-28=1.20('min-r

I

5l

|t ' t-,t--f*i.ulut* ---*1 I

Il t" ' l I I

|

I I

I I | I I I

2.r6xro'r ,'=:-A

l I

I

.=zr9{{ 1 .2

.=l.tlx lo3 (w/ounit)

I

I t.l--i

u,".*ru" or * ,rrithi"tl,e;;"ptabfifise

-__-----l

-stat. r*o

pd;ili"*----

"ot*"t / tissuepaperto prevelrt i - Wrapthe solid rvithwool i krwel/ polystyrene to thesurrounding. I heatloss/released to avoid to the scaleof the thermometer | - The eyemustbeperpcndicular parallax error. i I - Repeatreadingsandcalculateaverage' I - Ensurethehr:ateris fully intmersein the solid.

-QVEIU-oN-l-

i| ._ No . .. Ii

A nsw er

!ensl4.i'9l-tL"-!gsblstrbe-{qp--[j_*__j_ry9._yg1;!ry1'peeg,/4eseler{l-qll,I!]s-!e]--*--.L--p---_-1 I fu.!is!s {p-!ieichl-lhp--sr*-tqrt!'s'v4ryiry1lls-ell{qss:eigqltgl --'--:

t |

-

-M4rEe--] I

betweenvelocitl of thetrolley andheightof G) T;i^i;rtigate tiie relationship plane of, a incline -) !

i tiit *-rip"i.t-i""tlnre:Ileight variable:Velocily Ilesponriing

i

1 )

/.lonstatltvitriable: lnasliol'the trolleyi/friction supply,metre inclinedplane.l2 V a.cp<,rwer (iii) Tici.erlinrer,tickertape,ht-rlley. rule,runu'ay"wttodenblock (iv)

trmsl I'ickef timer Ticker

(!')

" o o

The troilei' is placedon the inclinedplaneat heighth - 20 cm The tickertapeis I'hctickertin.reris switchedon andthe rolley is released. to dr:tenninethe velocity.v. anal.vscd 'ftrs stepsarerepeate'J lbr theheight,h - 25 cm, 30 cnr,35 cm and40 cm _L_

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SULIT V/C ffi S

I

is plotted v/ cms-l

i

II

I I

TOTi\L

___L_

t2

i :--l

i gri"i?efirid s,rn ttre-maenitudeof rtre * ffi i ti-^;m The st.e gth; Ftfr" Cf " ".t* -9ql{94-t.!'19}v,* Wn.nifrecur.entl";etr;iJG tt",Gh ttth;;lectroriagleiiiimagnetincreases. c) (i)

To fi*fitg"t-

th. ,elatio*hip b.fi*"

tl*t$hof

and the elec-tromagnetic/magnet

MV : Current I{V : Numberof pinsattracti:d RV : Numberof coil/nrrns/fype of oore/diamelerof wire/ diameterof solenoid brftries, b^tr-.y-frofrfo:.fr.ustatini"l"t-aliotper----onnJt-trng paperclips.softironcoreiironnail,beaker.retortstand,swifch

lron core/lron

$olenoid-

wGi, ut*-.t"t,

Retort stand

i

#

Y PapersliPs -'. "" I' I

i

L*d-*it Rlreostat -__iti -----,- , --l ---i I I fI I I I I i Ir ' ' r | ' Lr--

-------l

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- -1I i i Z. .,. l. II i +. i

-----.,,---1",------

I -'n':-

r 2*-'*'-

L

I

Switch

is setup as shownabove The apparatrrs Tlre switchis turnedorr.adjust the rheostatso that the current flow is 0.1 A paperclipsthat are attractedto the iron core is counted. vr of t.'rl'v! nurnber The I rrl 'rsrrrvlr 'fhe sreps aboveirJ repeaiedby usingdifferentvaluesofcurrentby adjusting i.e:0.2A,0'3A,0'4A and 0'5'A(n > 4 readings) therheostat ='-

ILihat sebelah SULIT

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453113

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Drau' the graph: tiltmber of clips altractedagainstcurrent./i

Nunrberof papercliPs

I

Current

END OI,'MARK SCHEMII

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