আপেক্ষিকতার জগত ও আইনস্টাইন

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VepiQtar …† jg‡ …b„ V†nöa†n! ÎhW ibpåb pal "sUÆdrI Ÿmeyedr saeT duGÆFa kaeF du† imineFr meta, jÔlÇ» ˆnuenr paeS duiminF men Hy du† Zug! s „eQep …† Hl VepiQkta" -V†nöa†n

icºpF 1: itin tKn ŸpeFÆF pirQk! V†nöa†nŸk iney ba„la saiHetY …eta ŸlKaŸliK HeyeC, ntun ikCu ŸlKa ŸbS kifn| V†nöa†enr sueZagY Caº ADYapk sŸtYn Ÿbas §r›ek iney ileKeCn Aenk| smrij‡ kerr pãb É §ilw AsaDarN| sÚpãit AiBij‡ ray " Vela Haet cilyaeC VƒDaerr ZaºI" b†iFet V†nöa†enr tŸ¹Ôr pãa²l bYaKYa kŸreCn|V†nöa†n Vmar …eta mn pãaN juer VeCn,taek iney Aenkidn ŸTek† ikCu ilKeba BabiClam| AiBijetr b†eyr iriBˆ ilKet igey, §r›ek iney bûidenr AbY¹¡ kTa ileK ŸPllam|

VepiQktar saeT Vmaedr intYidenr wfa bsa| …† ŸZ Dr›n ŸZsb baªgalIek, Ÿkalkataet bRsR ŸcHarar mŸn Hy …† HYambaàgaerr ŸdeS taedr ŸnHait saDarn ŸcHarar mŸn HŸb| Vbar †FalI ŸTek GuŸr Vsar pr, ŸZsb ba–alI Ÿmeyek suÆdrI bŸl mŸn HŸta, taedr suÆdrI bŸl Ù›m HŸt paer! Vmaedr ˆpliÁr …† jg‡ - ŸZKaen bR, ŸCaF, lÜa ŸbƒeFedr iney Vmaedr intYidenr Velacna, ta Vsel† AnYikCur saepeQ| V†nöa†enr VepiQktabaedr …† jg‡ manb sBYtar †itHaes, bâHtm Vibôar| óùan kal BŸrr …† jg‡ek Vmra ŸZmn ŸdiK, V†nöa†n ŸdKaeln ŸsFa Vsel maya| bó¼ …b„ Si¹¡ Vsel …k† s¹a| óùan …b„ kal Vlada ny| tara …k† sUeº bƒaDa| V†nöa†n …† sâjnSIl kajkeàmr smykal 1902-1909| óùan baeàn su†s ŸpeFÆF Aips| VF GÆFar kaj, dU† GÆFay ŸSx kretn| bletn, juetapaileSr Ÿceyw Ÿsaja kaj ŸpeFÆF pirQekr| 1904 sael tar cakrI óùayI Hela-ma†en iCela ibSÿibdYaleyr iSQkedr Ÿcey ŸbSI| VjIbn pdaàT ibdYar iSQk HŸt ŸceyiCeln, …b„ iSQekr kaj Kƒujet igey, Cmas AnaHaer kaiFeyeCn| ŸsFa 1901 sal| ŸpeFÆF Aipesr kaej imll kaejr jnY AP™rÇ» smy Vr Baela ma†en| …t…b …k† saeT duiF ibxeyr wpr kaj ìr› krŸln| pãT m kaj trelr Anuedr bãawinyan gitibdYa iney| …†iF† iCela tar ip …c ih iTiss| iÃtIyiF ibeSx VepiQktabad iney| Za iney 16 bCr bys ŸTek BabiCeln, 26 bCr byes pUàNta …ela jaàman jaànael pãkaiSt "clÇ» bó¼r tiR‡gitibdYa' namk Ÿppaer|du† mas baed† …k† jaànael Vera …kiF Ÿppar "Br ik Si¹¡r ˆpr inàBrSIl?"| pãman kreln m Berr bó¼ Vsel mc 2 Si¹¡r ( ŸZKaen c He¬C SuenY Velar gitebg) …kiF s¹a! …† Ÿppar He¬C Vnibk Ÿbamar pãT m tai¹Ôk DarNa|1905 Vsel …k kaæpink ADYay V†nöa†enr jIben|

icºpF2 :Vnaeln PIijek V†nöa†enr ŠitHaisk pº

1907 sael pãT m ibeSx VepQktabadek, AiBkeàx kaej lagaeln| …rpr Vera dS bCr lagela, saDarn VepiQktabaedr jnM idet| saDarN VepiQktabaedr saeT inˆFenr AiBkeàxr tŸ¹Ôr …kiF mUl paàT kY HŸla, Velar saeT bó¼r AiBkàxj Vkàxn| …† Vkàxn Kub † duàb l | …t duàb l ŸZ inŒFiny tŸ¹Ô …r man SUnY! V†nöa†enr tŸ¹ Ô ŸdKa Zay …† man SUnY ny, taraedr mtn bâH‡ Berr kaC idey Zawyar smy samanY Helw Velara Ÿbƒek Zay! 1919 saelr sUàZYgãHŸn Dra prl …† samanY bƒakÎpŸrr idn l¸n Fa†ms ilKeC

ib¯aen mHaibpåb-…† mHaibeSÿr ntun t¹Ô | inˆFn is„HasncuYt|

icºpF 3: V†nöa†enr saDarn VepiQktabaedr wpr …ih„Fenr prIQa

icºpF 4: …ih„Fn ŸFilgãam kŸr V†nöa†nek janaeln, prIQa sPl! 1921 sael ŸPaeFa†elk iFäk …eP¢ …r jenY Ÿnaebl ŸpelnÎöaeànr mtn †ûdI ibeÃSI jaàman ib¯anIra, V†nöa†nŸk jaàman ibeÃSIbel ŸGaxna kreln| mUl karn jaàmanIet jnM Helw, V†nöa†n jaàman nagirktÔ pãtYaKan kŸr su†s nagirktÔ Ÿnn 1901 sael| VjIbn su†s nagirk iCeln| pãT m ibSÿZueÁr smy jaàmanIr ZuÁ baj srkaerr ibr›eÁ pãkaeSY pãitbad kŸrn| 1927 sael sleB knPaernes, ŸH†esnbaàg, ihraekr saeT ŸkayaÆFam blibdYa iney mtpaàT kY | 1902 sal ŸTek itinw ŸkayaÆFam blibdYa iney gŸbxna kreCn, ikÇ» Ha†ejnbaeàgr Ainëcytar t¹Ô manet pareln na| ŸkayaÆFam Ÿmkaine¤r sÝbnar t¹Ôek DaÑabaij bleln| iHFlar jaàmanIet Qmtay Vsar pr, jaàmanI Taka Vr sÝb iCl na| 1933 sael cel …eln ipãÆsFn ibSÿibdYaleyÎbakI jIbn kaFaeln AiBkàx Vr ŸkayaÆFam blibdYaek …k sUeº gƒaTet| Vemirkaet tar bâHtm kIiàt 2Sra Vgö r›seBlF Ÿk ŸlKa icif-Zaet Vemirkan ŸpãisehÆFek janaeln, weH …bar Vnibk Ÿbama banaw-iHFlar AenkFa …igeyeC| …kbar Haet Ÿpel, Ÿtamra smUel ibnö Heb! ìr› Hy mYanHaFn Ÿpãaej¢, Zar PlSã›it iHeraisma-nagasaik| V†nöa†n ikÇ» japaen Ÿbama ŸPla smàT n kŸrn in| tIbã pãitbad janaeln 1947 sael

…† mHaibeSÿr pãaTimk bl§il ( pr›n inˆi£yar ŸPaàs ), jaityatabaedr s„kIàn mŸnabâi¹r jenY bil pãd¹ ny| …bar Vbar iPer Vis VepiQktabaed| VepiQkta buJet igey pãT em Vmra óùan Vr kalek ŸbaJar Ÿcöa kir|

Dr›n Vpnar baiRet kawek ŸnmtÊ kŸreCnÎbaRIr ifkana ide¬Cn| baRIr ifkana ik Baeb idey Taekn? pãT em blebn baRIr kaeCr ÅöbY óùaniFr kTa| ŸZmn Vim ihjinlYae¸r kaeC Taik, pãT em† bil ihjinlYae¸r kTa-ihjinlYa¸ pàZÇ» Veg …s| tarpŸr ihjinlYa¸ ŸTek …eta ma†l ˆ¹er, ŸsKan ŸTek …eta ma†l diQen! óùan maen He¬C ifkana| ifk ŸZ Baeb baRIr ifkana Vmra idey Taik, Ÿs† Baeb† ifkana Ÿdwya Hy Å›t Dabman †elkFän, ŸpãaFn ŸTek ìr› kŸr gãH, nQºedr| …†ŸZ ÅöbYóùaenr kTa bla He¬C, ginetr Baxay taek bŸl mUlibÆdu (Reference point)| Vr ifkana idet drkar, …kiF Baxa Zaek ib¯aen óùana« bŸl| …† Baxa AnuZayI, ifkana ba …kiF bó¼r óùan maen Hela …kiF mUlibÆdu …b„ tar ŸTek bó¼iFr AbóùanÎZa itniF s „KYa idey pãkaS kra ZayÎ ˆ¹r-diQenr dUr¹Ô, pUàb piëcemr dUr¹Ô …b„ wpr inecr dUr¹Ô| pãSÈ ˆfeb óùaenr saeT Vbar kaelr ba smeyr ik sÚpàk? sÚpàk Vsel inibRtm| …†eZ bó¼r gitSIlta, ŸsFa Vsel, smeyr (kal) saeT saeT óùan pirbàtn| …† pàZ Ç» bYaparFa, inˆFn† bŸl ŸgeCn| Ÿgal baeD ZKn, bó¼r gitebg Velar gitebegr kaCakaiC Heb| ma†eklsn miàl pãman kŸriCeln mHaSUenY Velar Ÿbg Dã›bk-pãay 2,85000000 imFar pãit Ÿseke¸| Dã›bk maen intY-…r man mHaibeSÿr ŸZKan ŸTek† mapun na Ÿkena, Zeta KuSI Ÿjaer clet clet Velar git mapun-Ÿs† …ik† man| …bar Dr›n dueFa †ŸlkFän …ek AenYr idek Dawya krŸC …† Ÿbeg| Vmaedr pãitidenr AiB¯ta HŸ¬C, Vmra Zid 70 ma†l Ÿbeg gaRI cala†, Vr ˆleFa idk ŸTek VerkFa gaRI 70 ma†l Ÿbeg Ves, taHŸl Vmra…ek ApŸrr idek 70+70=140 ma†l Ÿbeg …igey Zaeba| …rm ikÇ» GFebna †elkFäenr Ÿblay| dueFa †elkFän pãay Velar Ÿbeg …ek ApŸrr idek …egael, …ek Aprek Ÿs† Velar Ÿbeg† kaeC …igey VsŸt ŸdKeb| Velar içn Ÿbeg tara …ek Aperr idek …egaeb na! Ÿkaena Vibôar† Hawya ŸTek Vesna, ba ÷eàgr prIra Abtaredr meta ib¯anIedr kaen kaen Ÿgapen bel Ÿdy na! V†n öa†enr …† Vibôaerr iBi¹BUim mUlt itniF Vibôar|1864 sael, mYa¤weyl tiR‡ cuÜk treªgr smIkrn ideln-Zar ŸTek tai¹Ôk Baeb ŸbiRey …ela ŸZ Velar git sàb º sman! ma†eklsn miàl …Fa† prIQa kŸr ŸdKaeln 1879 sael| 1902 sael ŸdKa Ÿgela, †elk Fäenr git Velar kaCakaiC …el, †elkFäenr Br bâiÁ pae¬C|mYa¤weyl smIkren VepiQktabad AHlYar meta paTr Hey luikey VeC, Za V†nöa†enr ýpeàS pãaN Ÿpela| saDarn VepiQktabad ŸTek Vera ikCu ˆe¹jk isÁaeÇ» Vsa Zay| ŸZmn

smeyr bâiÁ| Vpin Zt Ÿjaer clebn, Vpnar Gir tt Veó» clŸb| Vpin blŸbn taHŸl Ÿpåen clar smy Gir Veó» cŸl na ŸkŸna? Vsel Veó»† cel, teb, …† Veó» clar man Kub ŸCaF-10 lŸQ …k Bag| maen 100 bCr DŸr inribi¬CÊ Baeb Vpin Ÿpåen clel, Vpnar Gir …k Ÿsek¸ Ÿsåa Zaeb! …† man …eta ŸCaF, ŸZ saDarN Gir suDu …k bar ibman Zaºay …r iFikw Kƒuej paeb na! tŸb Vnibk Gir, …† ŸCaF smy mapŸt paŸrÎ1966 sael …kiF Vnibk Gir puàb ŸTek piëcem ˆRl, VerkiF piëcm ŸTek pUeb! …kiF VerkiFr saepeQ Ÿsåa Hl-…kdm V†nöa†enr smIkrŸnr inàBUltay| VerkiF mjar isÁaÇ» odeàGYr Häas bâiÁ! bYaparFa mjar| Dr›n ls …e²els ŸTek Ÿpåen inˆ†yaàk Zae¬Cn| dur¹Ô pãay 5000 ikelaimFar| ikÇ» Vpin ŸZeHtu Ÿpåen Zae¬Cn, Vpnar git pâiTbIr GUàn n git+Ÿpåenr git, Zar man 30 ikelaimFar pãit Ÿseke¸| …† gitŸt clŸl, Vpin ŸdKebn, ls …e²els ŸTek inˆ†yaeàkr dUr¹Ô kŸm ŸgeC! ktFa kmŸb? maº 25 ma†eº¡aimFar- Haƒ, 5000 ikelaimFaer, maº 25 mayeº¡aimFar,cuelr ZtFa ŸbD ttFa! odeàGr Häas bâiÁ ikÇ» mHakaS gŸbxnay intY onmai¹k-nQº ŸTek ŸZ Velar ibikirt Hy, taedr trªg odeàGY Häas bâiÁ pay| …† Häas bâiÁr man, nQºedr gitebegr ˆpr inàBrSIl| …rpŸr VeC BŸrr bâiÁ| Ÿjaer clŸl Br bâiÁ pay| sa†e£aFäen, ŸZKaen †el¢än ŸpãaFnŸdr ŸBe– ŸPel Velar kaCakaiC Ÿbeg ŸCaFaena Hy, ŸsKaen …† GFna AHrH GFeC-V†nöa†enr inym Ÿmen† GFeC| saDarn VepiQtabad …kFu jiFl| ŸmaÀa b¹¡bY Hl bó¼r BŸr, tar VeSpaeSr óùan kaŸlr bº¡ta otrI Hy| …r spŸQ ŸbS ikCu prIQalÁ pãman imeleC| 1919 saelr prIQar kTa Veg† bŸliC| …Cara bueDr AbGuànŸnr (Precision) man inàBul Baeb saDarN VepiQktabad ŸTek† Ves| AbGUànenr saeT Vmaedr sbar† pircy la´ur GUànn ŸTek| la´ur ŸGara ZKn ŸSexr idek, tKn la´ur maTa FlkaŸt Taek| gãHedrw …† rkm maTa Flkay Za inˆFn Ÿdey† bYaKYa kra Zay| ìDu bueDr maTa ŸGara iHsaeb imleta na| saDarn VepQktabad ikÇ» bueDr …† maTa ŸGarar inàBul iHsab Ÿdy| saÚpãitk kael palsar ŸTek Velara ŸZ Ÿbƒek ŸbeRay tar pãman imeleC| … sb† saDarN VepiQktabaedr Psl! manux V†nöa†n iCeln SaiÇ»b adI| gaÉI sÚmeÉ beliCeln …† iH„sar pâiTbIet r¹¡ ma„esr …rm …kjn …eseCn, …mFa Babet† Vim iSƒˆ er ˆif| jaàmanIr jaitytabaedr icr iberaDI …† sÊasI| teb rajnIitet pƒaek jRaet canin bŸl †sraeyelr ŸpãiseheÆFr pd pãtYaKan kŸrn| Vdet manuxiF iCeln daàSink,ta† icrkal ŸsOÆdeàZYr sÆÁaen mgÈ iCeln|

tar ŸsOÆdàZY s¹a idey …† pãb É ŸSx kriC ŸsaÆdeàZYr AnuBUit Vsel rHsYmy-Ÿs† rHsY Za ib¯an …b„ dàSenr iBi¹BUim|

icºpF 5: BŸrr jnY óùan kaelr bº¡ta

icºpF 6: iSæpIr kæpnay bueDr AbGUàn n

icºpF 7: V†nöa†enr bâ¹ W m Ha kàxj ŸleÆsr DarNa

icºpF 8: Ÿkayasaerr ŸTek ibikirt Vela-V†nöa†enr bâ¹ ek ŸdKa Zae¬C

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