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453Ur Physics Paper1 Sept 2008 I j hours

n€7 JABATAN PELAJARAN NEGERI SELANGOR

PEPXRIKSAANPERCUBAAN SPM 2008

PHYSICS Paper1 Onehourandfifteenminutes JANGANBUKAKEHTASSOALANINISEHINGGA DIBERITAHU 1. Kenas saa,a' ,^ aJa a,^,ia 3i, otrtDeDOSe. 2'

Soalan adalah dalam Bahasa tnggeris dan diikutidengan

Bahasa Melayu yang sepadan.

Thisquestionpaperconsistsof 31 printedpages. 4s3Ul

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Each questionis fottowedby either three or four options.Choosethe best optionfor each questionthenbtackenthe correctspaceon the answer sheet. yang setiapsoalandiikutioleh samaada liga, atauempatpitihaniawapan.Pilih satuiawapan anda. pada kertas yang betul iuangan iawapan danhitamkan terOii*bagi setiapsoalan is a vectorquantity? physicalquantities 1. Whichof thefollowing kuantitivektor? yang adalah manakah berikut, fizik kuantiti Antara A. B. C. D.

Work[Keria] Weight[Berat] Pressure[Tekanan] FrequencY [Frekuensi]

graphsobeysthe equationV=IR,whereF is a constant' 2. Whichof thefollowing pemalar Antaragraf berikut, yang manakah mematuhi persamaanV=IR, di mana R adalah

B.

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c.

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a water pipe as accuratelyas 3. A plumber needs to measure the internaldiameter of shouldbe used? possible.Whichinstrument yang diameterdatam sebatangpaip air seberapatepat pertu mengukur ptaip Seorangtukang mungkin.Atatfengikur yang manakahharusdigunakan? A. B. C. D.

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measuringtaPe[PitaPengukur] metre rule [Pembarismeter] micrometer[mikrometer] verniercalipers[angkupvernier]

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453u1 is not true? statements 4. Whichof thefollowing tidakbenar? yangmanakah Antarapernyataanberikut, thanverniercaliper. Screwgaugehashighersensitivity A. Micrometer angkupvernier. lebih tinggidaripada mbmpunyaikepekaan mikrometer Totokskru alwaysgivehigheraccurracy. B. Higherprecision keiituanyangtinggi. Kdpersiianyangtinggisentiasamenghasilkan G. lt is a goodpracticeto obtainthe meanvalueof severalreadingsfor measurements with randomerrors. Adatahmanjadi amalan yang baik untuk mendapatkannilai min beberapabacaan bagi ralatrawak. ukuranyang memqunYai

D. precisionof a measurementis high if the averagedeviationfrom the mean value of severalreadingsis small. Kepersisansuitu ukuranmenjaditinggi apabila sisihanpurata dengannilai min beberapa bacaankecil.

5. Whichof thefollowingis not a force? bukandaya? Antaraberikutyangmanakah A. Upthrust [Tuiahke atas] B. Electromotiveforce [Dayagerakelektrik]

c. Electrostaticforce

[Dayaelektrostatiks]

padasatutali] D. Tension in a string [Ketegangan

6. Which of the following is an effect of a constant fore exerted on an object? Antaraberikutyang manakahadalah kesan*aya malaryang bertindakpada suatu obixt? A. Change of velocity [Perubahanhalaiu] B. Change of acceleration [Peiubahanpecutan] C. C'hangeOf mass [Perubahan iisim]

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1 showsan athletein a highjumpevent i , .,--. . 7. Diagram seorangatlitdalamsatuacaralompattinggt' diiin-t menuniukkan

Mattress [tilam]

Diagram1 Raiah1 the A thicksoftmattressis usedto increase untuk digunakan tembut dan yang tebat iiii"nli", A. impulsefor the athlete ImPulske atasatlitit} timefor the athlete B. stopPing untukatlititu berhenti Masa C. pressureexertedto the athlete' ke atasatlititu yangbertindak Tekanan forceactingon the athlete D. impulsive ke atasatlititu yangbertindak Diya impuls 8. Diagram2 showsa car at reston the road'

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sebuahkeretapegundiatasialanraya' CiEn i menuniukkan

Diagram2 Raiah2 Thecardoesnotmovebecause kerana Keretatidakbergerak A. thereis no forceactingon it'

tiada daya yang bertindak ke atasnya'

B. the netforceactingon it is zero'

sifar' datyabersihyang birtindak ke atasnya adalah

C. the enginethrustequalswiththedrag' aayatfian eniinadatahsamadenganhelaan' is higherthannormalreaction' D. - the gravitationalforce

*

normal' dayi tarikan graviti adalahmelebihitindakbalas

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9. Diagram3 showsa constantforceF is appliedto a box' ke ataskotak' satudayatetapF dikenakan n"iin S menunjukkan Box

Diagram3 Raiah3 forcebetweenthe box and the surface.Whatwill be The forceF exceedthe frictional motionof the box? the -OiVu Apakahkeadaan antarakotakdanpermukaan' metebihidaya geseran i y*g dikenakan kotaktersebut? pergerakan A. RemainsstationarY Kekalpegun B. MoveswithconstantvelocitY denganhalaiutetaq Bergerak C. Moveswithconstantacceleration tetaq denganPecutan Bergerak acceleration D. Moveswithincreasing denganpecutanbertambah Bergerak

r

of springagainstforce.PointM is theelasticlimit 4 showsa graphof extension 10.Diagram of thesPring. perkadaran Aajah 4' minunjukkan graf pemanjangan spring melawan daya. Titik M adalah had sPring.

of sPring Extension sPring Pemaniangan

Force [daya]

Diagram4 Raiah4 to thespring,the shapeof the graphafterpoint M is Whenthe forceis increased

dayaditambahkepadaspring,bentukgrafyang dihasilkanselepastitik M adalah Atpabita

A. MQ B. MR C. MS

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0

1

2

4.5

3

6

Diagram5 Raiah5

'7

8

Time/ s masa

Whatis the totaldistancetraveledof the body] itu? iiriilxinjr^tah iarakvangditatuiotehiasad A. B. C. D.

1

220 m 1 6 0m 1 4 0m 1 2 0m

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a flatsurface' 12.Diagram6.1 showsa boxplaced.on yangrata' permukaan 6., ,"nrfluiXin-t^ru'Xit"X ditetakdi atas Rajah

Diagram'6.1 Raiah6'1

I

6'2 Diagram Raiah6'2

inverted as shown in on the surface if the box is exerted pressure the to what happens ' seperti oi"diutTzz kotak tersebutditerbatikkan . )^ +^,^^ah ,,onndihasilkan rtihasilkan iikakc yang iika tekanan kepada peruxahan yang Apakah datamRaiah6.2? A. fncreases [bertambah] B. Remainsunchanged [tetaP] C: Decreases [berkurang]

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to a pipeand manometer'The levelsof water 13.Diagram7 showsa syringeis connected in eich sideof the manometerarethe same' ';;;;;;;;*l;ii^,iiiouian ke satupaipdanmanometer'Arasair picasariyansdihubunskan adalahsama' daiamsetiapbihagianmanometer Piston ,[omboh] Syringe [picagari] Waler [air]

Pipe [Paip]

manometer

Water [air] Diagram7 Raiah7

,

is correctwhenthewaterlevelat P is higherthanQ? statements whichof thefollowing arasair padadi P adalahlebihtinggr Antara Wrnyataano"iXrt, yangmanakahbenarapabi6 daipada Q?

A. The pistonis Plesseddownward' Pistonditekanke bawah. B. Thepistonis Pulledupward. Pistonditarikke atas'

c. The syringeis moveddownward' ke bawah. digerakkan Picagari D . The syringeis movedupward. ke atas' Picagaridigerakkan

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14.Diagram8 showsa mercurybarometer merkuri sebuahbarometer Rajah8 menuniukkan Vacuum[Vakum] rube Capillary [Tiub kapilari]

Beaker [Bikar]

Mercury[Merkuri]

Diagram8 [Rajah 8]

if h willincrease column, Heightof the mercury h akanbertambah merkuri, Tinggiturus iika tubeis used. A. a biggerdiametercapillary diameter tiub yang lebih besar digunakan.

B. moremercuryis insertedin the beaker.

lebih banyak merkuriditambah ke dalam bikar.

is placedat a loweraltitude. C. the barometer padakedudukan altitudyanglebihrendah. itu ditempatkan barometer D. the vacuumin thetubeis filledwithair. vakumdidalamtiubitudiisidenganudara.

A

pump' of a hydraul'rc usedin the operational 15.Namethe principle

pam hidraulik. prinsipyang digunakandalampengendalian Namakan

A. Archimedes'principle [PrinsipArchimedes] B. Bernoulli'sprinciple[PrinsipBernoulli] C. Pascal'sprinciple[PrinsipPascal]

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containsmercury' 16. '-' Diagram9 showsa bottle merkuri. botolmengandungi sebuah menuniukkan e a'iiin

Mercury IMerkuri]

Diagram9 [Raiahe] x 10aN m-2' Whatis the depth tne pressureexertedby the mercuryat g91ntP is^8.16 'l of P if the densityof mercuryis 1'36x 10"kg m-" N m2' Berapakah yang'dikenikanolehmerkuriXe atasti-itikP adatah 8'16x ld Tekanan merkuriadalah1.36x td kg m3Z kedalamanp jiXa Xetuipa-tatn A. 0.1 7m B. 0 .6 0m c. 1.7 0m D. 6.0 0m sl

liquidbecauseof its' 17.Alcoholis sometimesusedas a thermometric keranal termometer dalam cecair sebagai kadangxiii aigrn^kan Atkohot A. lowdensitY. n4aYangrendah' ketum7atan B. lowfreezingPoint. rendah' takatbekunYa to wetthe glasstube,. C. abilitY i tuib kaca' ehannyamembasah keboi D. highsPecificheatcaPacitY'. miatahhabatentunYa Yangtinggi' \

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SULIT an inverted at room temperatureunder water contains beaker a lS. D i a g r a m1 0 sh o w s diterbalikkan pada belljar. air di bawah balang yang mengandungi bikar satu Aafin to menuniukkan suhubilik -'2

To PumP Ke pam

Two-waYtaP Paipduahala

belliar balangloceng Thermometer brmometer Water air Diagram10 Raiah10 mendidih' W h e n t h ea i ri sp u mp e d o u tfro m th.ejar ,soontheY3!",star tstoboi|.Itisbecaus e x]iuJian air muta a"ripri"'*i;;;;,'ieketixa ketuar dipai uaara Apabira

'::i:r;"ssure

pgintorthewaterin"'"u'"'' intheiarq"q"?:-t'andthebgiling ian-takatdidihairbertambah'

oerxuranl Ekanandi datambaiang B ' t h e p r e ssu re i n th e j a rd e creaseases.. . takatdidihairberkurang' danesandtheboi|ingpointdecr bkanandi d;;; ;;ling berxurang c . t h e v ol u me o fth e a i rd e cre a sesandtheboi|ingpointincr eases.j didihairbertambah' takat isipadu 'a^i'oJi'^'g-dan D . t h e v ol u me o fth e a i rd e cre asesandtheboi|ingpointdecr eases. Oi'iurangdan takatdidihairErturang' isipadu 'aui statement' thefollowing 19. '-' Complete berikut' Liwkupkanpernyataan to to meltcompletelyis equals dengan The heatabsorbedby 19gg of ice sama i"t"o,, sipenu-nnya onn t o aisuntuk Habayang diserap A.

bv19o ojste11':^"^"j)*:::":?[B'fiiY; theheatabsorbed

'X:r:XZi3';:;i:;"iJ'io;J'i"*''iingxonaensasisepenuhnva

ru I ur rrvq"r '-.;"-bv19 Dy released releaseo heat seg>enuhnya' the heat B.the 99l:93:,1:,,?5f#ffi:T'?313}; untukmendkondensaa yang dibebasxa'noi"i to g stim haba

wvv bv absorbed heatae>ur Ine neat "ih 19g c. the 9i,?l*:l:,':"-:yff: ff#*""'t sepnuhnya. menyejat inAX untuntttvtt' 106atr oleh 1U habayangdiserap

completerv' bv19I 9l Y1l:ll: sotidifv D. theheatreleased sepenunnya' memeial orc6to g airuntuk yang dioeoiiin haba

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feelsvery hot whilethe seawaterremains 20.on a hot,sunnyday by the beach,the sand occurrence? cool. Whichconceptbestexplainsthispantai, air lautterasa panasmanakala pasirnyas,angat pada suatuh"ri ;;;E-;;;s-teiix di tepi tersebut? keiadian menerangkan patingsesuaiuniuk sejuk.Kons"p ^Li,""xin A. Thermalequilibrium terma Keseimbangan B. ThermalconductiviY terma Kekonduksian C. SPecificheatcaPacitY Muatanhabatentu latentheat D. SPeCific tentu HabaPendam g when 100g of waterat 25oc is mixedwith 75 of water 21.Whatis thefinaltemperature

at 50"0'?

dengan 75g air pada suhuakhiraPabila 100g air padasuhu25oC dicampurkan Berapakah suhu-5f C ?

A. B. c. D.

3 5.7 0 c 3 7 .5 0 c 46.40c 48,0"c

r.r mirror' The image of the boy 11 below shows a boy standingin front of a Diagram 22 obsLrvedin the mirroris magnified' depal suatucermin. Imeibudakreraki Raiahberikutmenunjukkanseorangbudakterakiberdiridi r' a b e s i h t e b t h a ';::;;' ;, ; ;;,',';;i:; ; ; ; t ;; rmin teisebut ada ";, "

Magnified image

;",

11 Diagr am [Raiah11] what is thetypeof the mirror? Apakahieniscermintersebut cekung] A. Concavemirror [Cermin cembung] B. Convexmirror [Cermin satah] C. Planemirror [Cermin

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reflection? 23.Whichof the followingshowstotalinternal dalampenuh? pantulan berikutyaig-iiriiin menuniukkan Antara

Curvemirror [CerminIengkung]

Copperbtock [BongkahkuPrum] Rectanguhrglass block Semicircular glassblock

[Bongkah kaca berbentuk segiemPatl

[Bongkah kaca semibulatanl

frommediumQ to mediumP . lightpropagates -24.Diagram12-1showsa rayof R to mediumP . from Oi"6t"* 12.2 showsa ray of lig.htpropagates -medium merimnatdarigediumQ ke mediumP ' [Raiahtz.t meniiluixin ilno "i1'"i" merambat darimediumR ke mediumP.l sinarcanaya Raiah12.2 ^"niiiixiun

12.1 Diagram [Rajah 12.1]

Diagram12.2 [Raiah12.2]

order' in ascending Arrangethe opticaldensityof the m.ediums, rtib menaik.] g te i kut m-medi, m, * en Is usunkan ketump atin-i ptii oagi mediu A B C D

P, Q, Q, R,

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Q, R, P, P,

R P R Q

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of the lenses is the best to constructan 25.which of the followingcombinations telescoPe? astronomical teleskop patingsesuaiuntukmembina kaniaberikut,yang manakah fAntarakombinasi astronomi?l Evepiece lens fKantamatal

Obiectivelens lKantaoblekl

AC o nca ve |e n so ffo ca l |e n gth3- cmConcave|ensoffoca||ength5cm fokus5 cm Kantacekungberpaniang fokus3 ci Kantacekungberpaniang BC o nve x|e n so ffo ca ||e n g th3cmConvex|ensoffoca||ength5cm fokus5 cm berpaniang cembung Kantacembrigi"iiirjrr"g- fokuss cm Kanta c C o nve xl e n so ffo ca ||e n g th5cmConvexlensoffoca||ength120cm fokus120cm berpaniang cembung Kantacemb"igi"iilrirrdfokus 5 cm Kanta convexlensof focallength5 cm D convextensbf focallength120cmcm Kantacembung fokus5 cm berpaniang n"iiinpig toxu,tio Kantacembrng the to investigate for an experiment of apparatus arrangement the shows 13 Diagram 26. --betweenobjectdiitanceandimagedistance. iefuiionship hubungkait untukmengkaii suatueksperimen Oa"gi ,rruru-,. menuniukka, Rajah13 berikut 'aiat unirr" iarakobiekdaniarakimei' Screen [Skrin]

To power

Convexlens [Kantacembung]

[Ke bekalankuasa]

Sharpimage ftmejtaianl

Lightbox [Kotaksina] ,q

rffi ri3

Metrerule meter] [Pembaris

k-

20.0cm 50.0cm Diagram13 [Raiah1s]

neededto be adjustedat object,the sc.reen when the lensis placedat 20.0cm fromthe 5 0 ' 0cmto p ro j e ct" '" n *p ''.g"olthescr een,r nefoca||engthofthe|ensis pada 50.0cm untuk perlu,diseraiaskan kantadiretakpada 20.0-cmaari-o6i-ei,-sxrinialah Apabira 'i"i"i"riun imeiv"ng liJu Paniangfokuskantatersebut A 10 .0cm B 1 2 .0cm c 1 4 .3cm' D 1 5 .6cm

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of an a radar to detect the position from transmitted is signal a 27. Diagram14 shows suatu kedudukan aeroPlane. dari radaruntukmengesan dipancarkan isyarat suatu [Raiah14 menuniukkan kaPalterbang.l €

Diagram14 tRaiah14j suinHe to be used? Whichof the followingwavesis most wuai unukdittund
*i*trii;ii-;;;;i;;i'tw geto mbans [Antara A B C D

lnfrared [tntramerah] Ultrasound [tJltrasonik] cahaYal iigl',t *"u" lGetomoang mikro] Mi"to*"u" fGetombang

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wherea ballfloatson the surfaceof thewater' 28.Diagram15 showstwosituations air.l bolayangterapungataspermukaan situasibagisatu dua 1S menunjukkan Faian Ball IBola]

Directionof wavetravel gelombang] -[Arahrambatan

Directionof wavetravel gelombang] [Arahrambatan

Ball [Bola]

i

Diagram15 [Raiah15]

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deducewaterwavecorrectly? Whichbfthefollowingstatements gelombang airdenganbetul? mendeduksikan , [Antarapernyataan berikut,yangmanakah wave. A. Waterwaveis a longitudinal gelombang membuiur.] ialah air [Gelombang B. Waterwavedoesnotcauseany motionto the ball. pergerakan bola'] sebarang airtidakmenyebabkan [Gelombang particlepermanently. energywithoutdisplacing C. Waterwavetransmitsmechanical menyesarkan zarahsecarakekal.] tenagamekaniktanpa airmemindahkan [Getombang D. Waterwave has only potentialenergyto vibratethe ball in verticalaxis but has no kineticenergyto movethe ballforwardsbola secara air hanya mempunyaitenagakeupayaanuntuk menggetarkan [Gelombang -mencancang ke depan.l menggerakkan bola untuk kinetik tetapitiadatenaga

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l. and wavelength, betWeen 29.Whichof the followinggraphsshowsthe correctrelationship frequency,f whenwavespeedis constant? hubungkaityang betul antarapaniang [Aniarajrat berikut,yang manakahmenunjukkan gelombang dimalarkan.l gelombang, ). dan frekuensi,f apabilalaiu

c l.

Al "

patternproducedby visiblelightwavesis observed 30.Diagram16 showsthe interference P, Q and R. through3differentfilters interterenceyang dihasitkanoleh cahaya nampakyang coiak menunjukkan 16 [Rajai 'diperhatikanmelatii P, Q dan R'l 3penapisyangberlainan

Filter

P

a

R

Interferelce P&ttetl 0bserved

'iE1;:[,]f Whatis the possiblecolourof filters P , Q and R ? bagipenapisP , Q dan R ?] [Apakahwariayangmungkin A B

c

D

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P Green[hiiau] Red [merah] Violet[ungu] Red [merah]

o Red [merah] Violet [ungu] Green [hijau] Green [hijau]

R Violet[ungu] Green[hiiau] Red [merah] Violet[ungu]

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trough three region: P , Q and R . 31. - Diagram17 showsa planewaterwfle Fopqflhg *ar.76anP . Q danR-ln*li tip mqanw gelombang air taiian menuniukkan

Vibrating bar

17 Diagram [Rajah 17]

What is the vravespeedh rc{in R if the wavespeedof the water wave in region P is 6 m s1 ? air dalamkawasanP ialah R iika taiugelombang ffin &t fi gffig lAeraryXah 6 m s''? l

I rl,

rl

*p

F

l. ' l t r.

r

A . 2 ms-" B . 4 msC . 6ms' D . 9ms-1 32.Whachof thefollowingis a unitof potentialdifference? unitbagibezakeupayaan?] merupakan [Antaraberikut,yangmanakah A B c D

AO-1 WA J c1 JA -1

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453Ltl circuit. 33. Diagram18 showsan electrical litarelektrik.] menunjukkan satu 18 berikut [Rajah

Diagram18 [Rajah 18]

betweenthe readingof Which of the followingprinciplesexplainsthe relationship voltmeterand ammeter? antarabacaanvoltmeterdengan hubungkait [Antaraprinsipberikut,yangmanakahmenerangkan ammeter?l A B C D

I

Ohm'sLaw [HukumOhm] Lenz'sLaw [HukumLenz] Ampere'sLaw [HukumAmpere] Faraday'sLaw [HukumFaraday]

1

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force b .oed to determinethe erectromotive 34. Dagram 1g strowsan erecrb ciu.r fii of a battery. dayagerakelektrik yav Qudczt ua* nretrefltukan [R*ah 19menuniukkansatutitar elet
Diagram19 t4alah191 The readingof the voltmeterdropsas the switchis closedbecause kerana] apabitasuisditr.rfrip menurun voiimeter [Batcaan A somecurrentflowsthroughthe voltmeter pe$alryn ans mengatirmelaluivoftnretul rheostat B allthe enefgysuppliedby the battlU dssilated as heatin haba dalamrheostat] sebagai ct,&askan yitr6aii"xllkanotehbfui [semuaW resistanceof someof r|e energysuppliedby tte bdery usedto overcomeinternal battery the 'i;;b"h^g,;, *h bateti digunakanuntuk mengatasi daripada tenagayang Mean lintarcandalambateril resistanceof some of the energysuppliedby the batteryused to overcomethe rheostat 'FJiiiigi", daripgdatenagayang dibekatkanoleh bateridigunakanuntuk mengatasi intanganrheostatl

F p ri I

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453tlt SULIT electricalcircuit' 35. Diagram20 s.howsan satulitarelektrik'] [Raiah20 nenxut'rtie;;;'i'ii"'

to

2Q

'|h':;['?i flowsthroughit? greatest-current Whichresistorallowsthe aruspalingbesar?] manaxihie-ngtairkan [Perintang A B c D

1 ct 2A 3 cl 4A

sr brightnesswhenswitches normar at burb The showsan erectriccircuit. 36. 'it - - Diagram21 norma!apabirasuis pada kecerahan ,-, Sz dreswitchedoff' titaretektrik. menyara Mentor satu "nOrRaiah21 menunjukkan '},'d"n Sz dimatikanl

Diagram21 21] [Raiah

thebrishtnerr:11!: ,7;f],f: liZ.lf\",00?,[J,rn*'t whathappens.to n nlentotP"::$Li:r't, kecerahan xepaaa i;';;i;';i;t"'di

A B C D 453llr

OnlY Sr is switched-on fniiva S, dihiduPKa\I lncreases[Bertambah]lncreases[Bertambah] Decreases[Berkurang]. Decreases[Berkurang]

Onlv Sz is switchedon liiiva-s^ dihiduPkanl

bils inttu"t"t

tserkuransl

[Bertambah]

lncreases [Bertambah] [Berkurang] D..t""t"t

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SUIJT 37. Diagram22 sfnls an ebctrb circrrtt? [Rajah22 nwurfddrzt f ffic! llv

Diagram22 [Rajah 22]

Whatis the redng of the ammeterin the circuit? fApakahbacan annF.erdalamlitartersebut?] A B c D

rt

O.5 A 2 .OA 3 .0 A 6 .0 A

38. Diagram23 sfrowsacryerwie PCI in a magneticfield. PQ didalammedanmagnet] [Rajah23 menmfilMnfr,vtrkprum lragnef Barecopperwire [Wayarkuprumtidakbertebat]

Diagram23 [Rajah 23]

by Thedirection of motionof PQ can bedetermined [Arah gerakan PQ boleh ditentukandengan] A B C D

Lenz's law [HukumLenz] Faraday's law [HukumFaraday] Fleming's left hand rule [Petua TanganKiri Fleming] KananFleming] Fleming's right hand rule [PetuaTangan

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can be an electromagnet? 3g. --- which of the followingmaterials elektromagnet?l bolehdiiadikan manakah OeiXit,-yang inniir" bahan A B C D

l

Glass [Kaca] Plastic [Plastic] CoPPer [KuPrum] PersPex[PerPeks]

40. Diagram24 showsan electricbell' satulocengelektrik' R{ah24 menuniukkan *t [CetU

Elasticwire [Dawai kenyaU Contacts ftuntuh|

ArmaturefArmatur| Striker[PengetukJ Gong

Diagram24 [R4ah24] the loudnessof the sound Which of the followingsteps can be taken to increase producedbYthe electricbell? kekuatanbunyiyang dialntil untuk meningkatkan tangkahOeriXii,Ving manakah [Antara -boleh 'dihasitkan otenbcengeledriktersebut?l A Increasethe currentof the circuit' arusdalamlitar'] [Meningkatkan B ileversethe polarityof the dry cell' selkering'] kekutuban [Songsangkai in the coil' C - Reducethe numberof turns gegelung'l dalam tititan bitangan ltrtingturangkan D Replacethe softironcorewithsteelcore' keluli'l MinggantiXanterasbesitembutkepadateras

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4l.Dagram25showsthearrargerrrentcfaso|enoidandamagnet. '" danmagnet.l sfri ffi lnzi"i isienuniukkan susuranr

Magnet

Dfiagram25 tRaiah251 zero readingin galvanometer? Whichof the followingmethodsprodr.rce ^, bacaansifarpadagalvarcmetu?l ya,ig manakah'meryl6ikan i ;i;;"iaia neri1ut, The magnetis pulledout of the solerx*J' [Magnetditarikketuardarisolenoid'] The solenoidis rnovedtowardsthe m4net' \..

maget'] [Sotenoid d$erakkan menghala ke

The magnetandthe solenoidare morredat the samevelocity. padahalaiuyangsama'] digerakkan sotenoid [Magnet-dan direction' The magnetandthe solenoidare mowd at the samespeedbutin opposite yang berlawanan'l pada arah iUignrti", solenoidiigii"-Xi"ip^dataiuyangsamatetapi .t I

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to the magneticfield.42.A straightconductoris movedperpendicularly denganmedanmagnet'] secara bersereniang digerakkan [Satukinduktorlurus of the inducedcurrentin showsthe correctdirection Whichof the following the conductor? araharusaruhanyangbetuldalamkonduktor?l menunjukkan lennia berikutyangmanakah A.

Directionof motion [Arahgerakan] Conductor [konduktor]

Direction of motion [Arahgerakan] Conductor [konduktor]

Direction of motion [Arah gerakan] Conductor

[konduktor]

{

Direction of motion [Aiah gerakan] onductor [konduktor]

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453lll 43. Diagram26 showsthe trangrisin rf *cthd 220kW to the consumers' penghantaft,nwnffiEi [Rajah26 menunjukkan pengguna.l

energyfrom a power station 11 kv stesenkuasa11kV,220 kW kepada

Transrnis*n # [Kabelprylwrtil

msfrEn l..SEmEil

rI tv- lI)tw

cerar l'*q,kd

Electricpylon [pilonelektrikJ Diagram26 [Rajah26]

is 50 o tr bss of powerin the cab! if the total resistanceof the cable ialah' 50a ?l tersebut datamkabet W ffi;t g di datamtrd fia iumtahrintangan

A 2.42x 106W B 2.20x 10sW

c

2.42x 10oW D 2.00x 10:w

I E

h

circuitsdoesnd lgtil up the bulb? It4. ' '- Whichof the bllowing tkg n*rv4akan mentol?l yaig manakah ientir"-ti'Eri1
F

I

It

li' Io r

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45.Whichof the followingis true regardingcathoderays? benartentangsinarkatod?] [Antaraberikutyangmanakah charged. A lt is positively fla bercaspositive.l as betarays' B lt hassamecharacteristics yang sepertisinarbeta.] sama sifat mempunyai [ta C lt travelsat the samespeedas gammarays. padalaiusamadengansinargamma.l fla merambat D lt deflectstowardssouthpoleof a magneticbar. kekutubselatansuatubarmagnet'] [ta terpesong bulbs R and S. two identical 46. Diagram27 showsa circuitcontaining R dan S.l mentolserupa litar mengandungidua satu 27 menuniukkan tRajeh

,ta

Diagram27

[Rajah 27] ,

Whathappensto the bulbswhenthe switchis on? itu apatila su6dihkluf,
Bulb S [*]ttol

SI

C

Light off fTidak menyala] Light off [fidak menvala] Light off fTidakmenyata] Light up [Menyala] Light off [Tidakmenyala] Light up [Menyata]

D

Light up [Menyala]

A B

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Light up [Menvala]

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of threelogicgates. 47. Efqgram28.1 showsthe combination get logik.l kontinasi tiga nr;nrryld
Iunuf P

'1--- r

O'

' l- ttir ne/masal

Voltage [voftan]

Inrnt O

x 11 oI

[.l

28.1 EXagram

l--l

,1i1ns /masal

Diagram28.2

[Bajah 28.1]

[Rajah 28.2]

Which of the followingshows the ou$rt *Ind X? [Antaraberikutyang manakahmenuniukkaniyual outputX?] 1 Voltage [voltan]

B Voltage [vottan]

h

'i of

trNr*

('

|

11

: "ilng/masal

l-_l

,1i1ns/masal

D Voltage [voltan]

Voltage [voltan]

1

1 0

0[--l

1l1gg/masal

n

1yn1s[masa]

48. In a nuclearreactor.moderatoris usedto digunakanuntuk] [Dalamsebuahreaffiornuclear,moderator A absorbslowneutrons fmenyerapneutron berhalaju rendah] slowdownthe fast neutrons neutronberhalajutinggi] [memperlahankan

c

drivethe steamturbineto generateelectricity [memacuturbinstimbagimenjanakuasaelektrik] D absorbradioactive emissionsfromthe coreof the reactor pancaranradioaktifdaripadaterasreaktor] [menyerap

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raysemittedby to determinethe typesof radioactive 4g. Diagram29 showSan arrangement source. radioactive radasuntukmenentukan susunan menunjukkan 2g ienissinaranradioaktif.] [Rajah

'

I

GMtube [Tiub GMJ

I

The resultobtainedas below: berikutdiperolehi:] [Keputusan Absorbers [penyerap] Nothing [Tiada]

A pieceof paper [Sehelaikertas] foil Aluminium [Kerajangaluminium] Lead block [Bongkahpumblum]

Countsperminute [Bilanganper minit] 250 248

50 49

sourceernits this radioactive As the conclusion, sumberradioakiftersebutmenmarca*anl [Sebagaikesimpulannya, A B C D

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only a particles only B particles a particlesand y raYs crparticles,B particlesand y rays

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sample' 30 showsthe decaycurveof a radioactive 50- Efiagrarn sampt radioactive'l t^tu mgi tR *rh eo *"'uoiiii"itiigxing '"p'in / counts Perminutes Activity bitangan Perminif [Atdtitti/ 4000 3000 2000

4

Time/ daYs [Masa/hari]

Diagraq30 [Raiah30] sampleafter10 diy:] tJ Whatis the aetivityof the radioactive ErsebutseIepas 10 hari iiioanit akahaktivitiaiit JiWt [Berapi a

\

I t

'' II II l,

A 800 countsPerminute iaoooitanganPerminif B 400countsPerminute Perminit] [400bitangan C 250countsPerminute Perminit] [250bilangan D 125countsPerminute Perminit] [125bitangan

I

I

It

PAPER ENDOF QUESTION TAMAT SOALAN KEBTAS

i i i

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