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GCE MAY 2010 : A2 1 Momentum, Thermal Physics, Circular Motion, Oscillation and Atomic and Nuclear Physics - Revised (Irish Medium)

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So nr N a o ua ch t Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED General Certificate of Education 2010 Fisic ag meas n M iminteam, Fisic Theirmeach, Gluaisne Chiorclach, Ascaluithe agus Fisic Adamhach agus N icl ach AY211 Aonad Meas naithe A2 1 [AY211] D ARDAOIN 27 BEALTAINE, IARN IN AM 1 uair 30 n im ad. TREOIR D IARRTH IR Scr obh d Uimhir L rionaid agus d Uimhir Iarrth ra sna sp sanna chuige sin ag barr an leathanaigh seo. Freagair gach ceist. Scr obh do fhreagra sna sp sanna chuige sin sa scr dph ip ar seo. EOLAS D IARRTH IR Is 90 an marc ioml n don ph ip ar seo. Meas n far caighde n na cumars ide scr ofa i gceist 2(a)(ii). L ir onn figi ir idir l ib n ar thaobh na l imhe deise de leathanaigh na marcanna at ag dul do gach ceist. Tarraing tear d aird ar an Bhileog Sonra agus Foirml at istigh sa scr dph ip ar seo. T cead agat ireamh n leictreonach a s id. Cuireann ceist 9 leis an mheas n sionoptach at de dh th don tsonra ocht. Ba ch ir d iarrth ir tuairim is 20 n im ad a chaitheamh ar an cheist seo. Don Scr daitheoir amh in Uimhir Marcanna Ceiste 1 2 3 4 5 6 7 8 9 Marc Ioml n 5367.09 1 Taispe nann an graf in F or 1.1 an d igh a mb onn d l ithri ch n m il n n trigine ag athr le ham san aer mar gheall ar fhuaimthonn a bheith ag dul thart. Is f idir glacadh leis go bhfuil gluaisne arm nach shimpl faoin mh il n. D l ithri ch n/mm 0.3 0.2 0.1 0 0 100 200 300 400 500 600 Am/ s 0.1 0.2 0.3 Scr daitheoir Amh in F or 1.1 Marcanna Athmharc (a) Cuir s os ar dh l ithri ch n an mh il n n trigine sa 600 s a thaispe ntar in F or 1.1. _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [2] 5367.09 2 [Turn over (b) An graf d l ithri ch in is ama in F or 1.1 in s id agat, taispe in gur beagnach cothrom le 3 m s 1 uas-threoluas an mh il n n trigine mar gheall ar an fhuaimthonn a bheith ag dul thart. Scr daitheoir Amh in Marcanna Athmharc [3] (c) (i) Beidh m iminteam ag an mh il n n trigine; sainmh nigh m iminteam. ___________________________________________________ _________________________________________________ [1] (ii) R omh uasmh iminteam an mh il n n trigine m s 4.65 10 26 kg mais an mh il n n trigine. Cuir isteach an t-aonad ceart. M iminteam = _____________________ [1] Aonad = _____________________ [1] 5367.09 3 [Tiontaigh an leathanach 2 (a) Roghnaigh ceann amh in de na turgnaimh chaighde nacha ar iompar g s lena thaispe int gur tairiseach an toradh ar bhr g is iolraithe faoi thoirt do mhais sheasta g is ar theocht thairiseach. Scr daitheoir Amh in Marcanna Athmharc (i) Tarraing sceitse lip adaithe den fhearas a bheadh in s id agat. [2] (ii) Cuir s os ar an d igh a nd antar an turgnamh le sraith de luachanna a fh il do bhr agus do thoirt. ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [3] Caighde n na cumars ide scr ofa 5367.09 [2] 4 [Turn over (b) (i) Taispe nann an graf in F or 2.1 na tortha a fuarthas ina leith id seo de thurgnamh. Scr daitheoir Amh in Marcanna Athmharc Br /Pa 0 (Toirt) 1/m 3 F or 2.1 Tomhaiseadh an fh na do shraith tortha agus fuarthas amach gur 12 200 Pa m3 . Taispe in gurb 4 C teocht an gh is m t 5.30 m l sa gh s. [3] (ii) Ar na haiseanna in F or 2.1, tarraing l ne a thaispe nfaidh na tortha do thurgnamh comhchos il don sampla g is c anna ach ar theocht n os airde. [1] 5367.09 5 [Tiontaigh an leathanach 3 Is Ganymede an tsatail t is m de chuid I patair agus t mais 1.48 1023 kg ann. Is 1.07 109 m ga na fithise ciorcla aige agus glacann s 172 uair an chloig le fithis ioml n amh in a dh anamh thart ar I patar. Scr daitheoir Amh in Marcanna Athmharc (a) (i) Taispe in gurb 1.01 10 5 rad s 1 me n-treoluas uilleach Ganymede. [2] (ii) R omh luas l neach Ganymede agus ag fithisi thart ar I patar. Luas = _____________________ m s 1 [3] (b) (i) R omh m id an fh rsa a bh onn ag feidhmi le Ganymede a choinne il san fhithis seo. F rsa = __________________ N [2] (ii) C n treo ina mb onn an f rsa seo ag feidhmi ? ___________________________________________________ _________________________________________________ [1] 5367.09 6 [Turn over LEATHANACH B N (Leanann ceisteanna ar an ch ad leathanach eile) 5367.09 7 [Tiontaigh an leathanach 4 L ir onn F or 4.1 c iri ch n turgnaimh le hathshondas agus maol a fhiosr . Scr daitheoir Amh in Marcanna Athmharc Daingnithe Ul g Sreang n rial ir m adair Ceam rothlach ar acast ir Linge n Mais F or 4.1 Is at san fhearas, p osa sreang in, cothrom nach ar dt s, daingnithe ar fhoirceann amh in, socraithe thar ul g le tac le linge n ceartingearach a bhfuil mais ceangailte de. T pointeoir daingnithe d fhoirceann ochtair an linge in le su omh ar rial ir m adair ceartingearach a l iri . B onn ceam ubhchruthach ag rothl agus de r ir mar a dh anann s amhlaidh tugann s ar an sreang n a nd anann s teagmh il leis dul in airde faoi dh i ngach rothl . Is f idir ginead ir comhartha a s id le minic ocht rothlaithe an cheama a athr . B onn an fearas seo in s id le hathshondas a l iri . (a) Sainaithin an cuid /na cuidithe (i) a dtugtar air/orthu a bheith ag crith __________________________________________________ [1] (ii) a shol thra onn an f rsa tiom na is c is leis an chrith __________________________________________________ [1] 5367.09 8 [Turn over (b) (i) Lip adaigh an ais cheartingearach in F or 4.2 agus sceitse il an cruth a bh onn ar ghn thghraf athshondais don ch ras de r ir mar a bh onn minic ocht an cheama m ad go c imnitheach. F or 4.2 Scr daitheoir Amh in Marcanna Athmharc Minic ocht/Hz [2] (ii) Luaigh modh praitici il leis an mhaol sa ch iri ch n turgnaimh a mh ad . ___________________________________________________ ___________________________________________________ _________________________________________________ [1] (iii) Ar F or 4.2, sceitse il an graf athshondais a mbeif ag s il leis i gc s c rais a bhfuil maol n os m ann. Lip adaigh an graf nua seo go soil ir le D. [3] (c) Tarla onn athshondas nuair is 16 Hz minic ocht an ghinead ra comhartha. S sin, d anann an ceam ubhchruthach 16 rothl ioml na gach soicind. Cad minic ocht n d rtha an ch rais ar tugadh air a bheith ag crith? Minic ocht = ___________ Hz [1] 5367.09 9 [Tiontaigh an leathanach 5 Is seo a leanas an chothrom id do gha n icl ach r a thugtar i mBileog Sonra agus Foirml A2: 1 r = r0 A 3 Scr daitheoir Amh in Marcanna Athmharc Cothrom id 5.1 (a) Cad d a seasann na t arma seo a leanas in Cothrom id 5.1? (i) r0 = ______________________________________________ [1] (ii) A = ______________________________________________ [1] (b) (i) Ar F or 5.1, sceitse il cruth an ghraif a mbeif ag s il leis do Cothrom id 5.1 de r ir na lip ad at ar na haiseanna in F or 5.1. [1] r 1 A3 F or 5.1 (ii) M nigh an d igh le luach a fh il do r0 n sceitse den ghraf agat in F or 5.1. ___________________________________________________ _________________________________________________ [1] 5367.09 10 [Turn over (c) (i) M t r0 = 1.20 fm, taispe in gurb 5.73 fm an ga n icl ach 109Ag. 47 Scr daitheoir Amh in Marcanna Athmharc [1] (ii) R omh dl s n icl ach airgid. 4 Is r3 toirt sf ir. 3 Dl s n icl ach = _______________________ kg m 3 [3] (iii) Is 10.5 103 kg m 3 an dl s at ag airgead miotalach agus is 4.80 103 kg m 3 an dl s at ag seil iniam miotail eile, dl s at n os l n leathchuid an dl is at ag airgead miotalach. D an tr cht ar dhl s n icl ach seil iniam i gcompar id le dl s n icl ach airgid. M nigh do r as na ocht. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] 5367.09 11 [Tiontaigh an leathanach 6 Comhl naigh T bla 6.1 tr luach cu maise agus luach cu luchta a chur isteach don ch ithn n alfa, don ch ithn n b ite agus don gh marada ocht. (a) Scr daitheoir Amh in Marcanna Athmharc T bla 6.1 Mais/u Lucht/C C ithn n alfa C ithn n b ite 1 1840 G marada ocht [3] Is le fuinneamh cin iteach tipici il de 5 MeV a scaoiltear c ithn n alfa isteach san atmaisf ar ach is le fuinneamh cin iteach de 0.2 MeV a scaoiltear c ithn n b ite go tipici il. (b) (i) Cad mar a chailleann na c ithn n meatha seo a bhfuinneamh cin iteach i ndiaidh go scaoiltear isteach san atmaisf ar iad? ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (ii) C gur le fuinneamh cin iteach is m a scaoiltear an c ithn n alfa, t a raon san aer n os giorra n raon an ch ithn n b ite. Minigh cad chuige. ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] 5367.09 12 [Turn over (c) L ir onn an l ar id in F or 6.2 slabhra meatha pr tachtainiam 236 go raidiam 228 i 3 ch im leantacha r, s agus t. Scr daitheoir Amh in Marcanna Athmharc 240 236 91Pa 236 r s Maisuimhir 232 adamhach t 228 228 88Ra 224 86 87 88 89 90 91 92 93 Uimhir adamhach F or 6.2 Sainaithin na pr isis mheatha r, s agus t. M nigh do r as na ocht. _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [3] 5367.09 13 [Tiontaigh an leathanach 7 (a) (i) Ar F or 7.1 anseo th os, tarraing cruth an ghraif den fhuinneamh nascach sa n icl n ar mhaisuimhir. [2] Scr daitheoir Amh in Marcanna Athmharc T an t-uasluach marc ilte ar gach ais cheana f in. Fuinneamh nascach sa n icl n/MeV 8.8 0 Maisuimhir 240 F or 7.1 (ii) Cad a chialla onn fuinneamh nascach sa n cl n ? ___________________________________________________ _________________________________________________ [1] 5367.09 14 [Turn over (b) (i) Is pr isis n icl acha iad eamhn agus comhle a scaoileann fuinneamh. Luaigh cad mar at siad difri il lena ch ile maidir leis na n icl is at i gceist agus maidir lena dtarla onn do na n icl is sin. Scr daitheoir Amh in Marcanna Athmharc ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (ii) Ag tagairt don ghraf in F or 7.1, m nigh an d igh ar f idir le heamhn n icl ach agus le comhle n icl ach araon fuinneamh a scaoileadh. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (iii) Is m fuinneamh a scaoiltear sa n icl n chomhle n mar a scaoiltear eamhn . M nigh cad chuige. ___________________________________________________ ___________________________________________________ _________________________________________________ [1] 5367.09 15 [Tiontaigh an leathanach 8 B onn imoibreoir de dh th le fuinneamh a th irgeadh fhoins n icl acha. T imoibreoir eamhnacha praitici la ann cheana f in ach n l ach imoibreoir comhle turgnamhacha, amhail JET, ann. Scr daitheoir Amh in Marcanna Athmharc (a) (i) Ainmnigh an n icl d is d ch la a bheidh in s id mar bhreosla in imoibreoir eamhnach. Is an n icl d _______________________ [1] (ii) Ainmnigh an d n icl d is d ch la a bheidh in s id mar bhreosla in imoibreoir comhle domhanda. Is iad na n icl d __________________ agus ________________ [1] (b) Sa d chine l imoibrithe, t fuinneamh cin iteach na gc ithn n fo-adamhacha s rth bhachtach don phr iseas. (i) 1. Ainmnigh an c ithn n fo-adamhach san imoibri eamhnach. C ithn n __________________ [1] 2. Luaigh cad chuige a n-athra tear an fuinneamh cin iteach agus c n d igh a nd antar seo. ________________________________________________ ________________________________________________ ________________________________________________ ______________________________________________ [3] (ii) 1. Ainmnigh an c ithn n fo-adamhach san imoibri comhle . C ithn n __________________ [1] 2. Luaigh cad mar a athra tear an fuinneamh cin iteach agus cad chuige a n-athra tear . ________________________________________________ ________________________________________________ ________________________________________________ ______________________________________________ [2] 5367.09 16 [Turn over 9 R amhr Scr daitheoir Amh in Marcanna Athmharc D antar turgnamh le himscr d a dh anamh ar an ghaol idir minic ocht na fuaime a asta tear dh challaire chomhionanna agus deighilt fuaimeanna arda c ngaracha (maxima) sa phatr n trasna ochta a dh antar. Ceangla tear ginead ir comhartha den d challaire sa d igh go n-asta onn siad beirt fuaimthonnta den mhinic ocht agus den aimpliti id ch anna. Na tonnta a asta tear gach callaire, t siad i gcomhphas. L ir onn F or 9.1 an c iri ch n turgnamhach. Maxima c ngaracha y Ginead ir comhartha F or 9.1 Is le Cothrom id 9.1 anseo th os a thugtar an gaol idir minic ocht f agus deighilt y. f = ky n Cothrom id 9.1 an it ar tairisigh iad k agus n dar luach anaithnid. Tr logartaim a ghlacadh de dh thaobh Cothrom id 9.1, is f idir compar id a dh anamh le y = mx + c a fh gann gur f idir graf l neach a tharraingt. Is f idir an l ne seo a s id le k agus n a fh il. (a) Comhl naigh Cothrom id 9.2. lg10(f ) = ______________________________ Cothrom id 9.2 [2] 5367.09 17 [Tiontaigh an leathanach Tugann T bla 9.1 sonra don mhinic ocht fuaime, f, agus don deighilt chomhfhreagrach, y, a fhaightear sa turgnamh seo. Scr daitheoir Amh in Marcanna Athmharc T bla 9.1 f/Hz 256 317 422 513 627 y/m 3.32 2.68 2.01 1.66 1.36 (b) Agus na col in bh na in T bla 9.1 in s id agat, r omh luachanna ar bith eile a bheidh de dh th leis an ghraf l neach a tharraingt. Cuimhnigh an chainn ocht chu agus an t-aonad cu a chur i gceannteideal na gcol n. [3] (c) (i) Tarraing an graf l neach ar an eangach in F or 9.2 ar an ch ad leathanach eile. Lip adaigh an d ais go soil ir. [3] (ii) s id do ghraf in F or 9.2 le luachanna a fh il do na tairisigh n agus k. n = _________________________ [2] k = _________________________ [2] 5367.09 18 [Turn over F or 9.2 5367.09 19 [Tiontaigh an leathanach (iii) T an turgnamh seo anal gach le turgnamh scoilt n d bailte Young le solas. Tugtar an chothrom id seo th os do thrasna ocht dh fhoinse ar an Bhileog Sonra agus Foirml : ay = d Scr daitheoir Amh in Marcanna Athmharc M t na callair sa turgnamh fuaime 2 m ar shi l na ch ile agus m t pl na na gcallair 5 m ar shi l phl na an phatr in trasna ochta, r omh luach don luas fuaime in aer ag baint s id as toradh T bla 9.1 agus as an chothrom id seo. Luas fuaime = ___________ m s 1 [3] (d) Ag an su omh mar a bhfuil uastrasna ocht, b onn fuaimdh ine 0.66 mW m 2 ag teacht gach callaire. C n leibh al d ine a bheidh ann ag an su omh seo? Is 1.0 10 12 W m 2 tairseach na h isteachta. Leibh al d ine = _____________________ dB [2] 5367.09 20 [Turn over SEO DEIREADH AN SCR DPH IP IR 5367.09 5367 21 [Turn over 5367.09 [Turn over Fisic GCE Bileog Sonra agus Foirml do A2 1 agus A2 2 Luachanna na dtairiseach luas an tsolais i bhfol s c = 3.00 108 m s 1 ceada ocht fol is 0 = 8.85 10 12 F m 1 1 = 8.99 109 F 1 m 4 0 bunlucht e = 1.60 10 19 C tairiseach Planck h = 6.63 10 34 J s aonad maise adamha (aontaithe) 1 u = 1.66 10 27 kg mais leictreoin me = 9.11 10 31 kg mais pr t in mp = 1.67 10 27 kg g stairiseach m larach R = 8.31 J K 1 mol 1 tairiseach Avogadro NA = 6.02 1023 mol 1 tairiseach Boltzmann k = 1.38 10 23 J K 1 tairiseach na himtharraingthe G = 6.67 10 11 N m2 kg 2 luasgh ar saorthitime ar dhromchla an Domhain g = 9.81 m s 2 leictreonvolta 1 eV = 1.60 10 19 J *AY211INS* AY211INS 5367.10 D fh adfadh na foirml seo a leanas a bheith s ideach le roinnt ceisteanna sa scr d a fhreagairt: Meicnic Imchoime d fuinnimh 1 1 mv 2 mu 2 = Fs 2 2 Dl Hooke F = kx (tairiseach linge in k) d fh rsa tairiseach Gluaisne arm nach shimpl D l ithri x = A cos t Leibh al fuaimdh ine/dB = 10 lg10 Trasna ocht an d fhoinse = Fuaim I I0 Tonnta ay d Fisic theirmeach Me nfhuinneamh cin iteach m il n 1 3 m c2 = kT 2 2 Teoiric chin iteach 1 pV = Nm c2 3 Fuinneamh teirmeach Q = mc Toilleoir Toilleoir ina sraith 1 = 1 + 1 + 1 Toilleoir treocheangailte Amthairiseach 5367.10 C = C1 + C2 + C3 = RC 2 [Turn over Solas Foirmle an lionsa Formh ad 1 = vf v m=u u + Leictreachas Difr ocht poit insil losa Roinnteoir poit insil V = E Ir (F.l.g. E; Friota ocht Inmhe nach r) R1Vin Vout = R +R C ithn n agus f t in Meath radaighn omhach A = N A = A0e t Leathr t1 = 0. 693 Cothrom id de Broglie = h p 2 An n icl as Ga n icl ach 5367.10 1 r = r0 A3 3 5367.10 [Turn over

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Additional Info : Gce Physics May 2010 Assessment Unit A2 1, Momentum, Thermal Physics, Circular Motion, Oscillations and Atomic and Nuclear Physics - Revised (Irish Medium)
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