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GCE JUN 2008 : A2 3A Particle Physics (Irish Medium)

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Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED General Certificate of Education 2008 Fisic Aonad Meas naithe A2 3A ag meas n Mod l 6: Fisic C ithn n [A2Y31] D C ADAOIN 11 MEITHEAMH, MAIDIN AM 1 uair an chloig. 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 ceann de na c ig cheist. Scr obh do fhreagra sna sp sanna chuige sin sa cheistph ip ar seo. EOLAS D IARRTH IR Is 50 an marc ioml n don ph ip ar seo. Meas n far caighde n na cumars ide scr ofa i gceist 3(b). 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 n do gach cuid de cheist. Tarraing tear d aird ar an Bhileog Sonra agus Foirml at taobh istigh den cheistph ip ar seo. Tig leat ireamh n leictreonach a s id. Cuireann Ceist 5 le riachtanas mheas n sionoptach na Sonra ochta. Moltar duit tuairim is 40 n im ad a chaitheamh ar cheisteanna 1 4, agus tuairim is 20 n im ad ar cheist 5. Don Scr daitheoir amh in Uimhir Marcanna Ceiste 1 2 3 4 5 Marc Ioml n 4677.03 M bh onn luachanna na dtairiseach fisiceach de dh th ort chun ceist ar bith ar an ph ip ar seo a fhreagairt, t siad le f il ar an Bhileog Sonra agus Foirml . Scr daitheoir Amh in Marcanna Athmharc Freagair gach ceann de na c ig cheist 1 2 3 4 Is iad 16C, 16C agus 16C 3 cinn d iseat ip charb in. (a) Luaigh comhchos lacht amh in agus difr ocht amh in idir strucht r n icl as adamh carb in-12 agus strucht r n icl as adamh carb in-14. Comhchos lacht: _________________________________________________________ _________________________________________________________ Difr ocht: _________________________________________________________ ______________________________________________________ [2] (b) T 7 bpr t n agus 7 neodr n i n icl as iseat p n trigine. Luaigh c acu at ga n icl ach an n icl is n trigine seo n os l n , n os m n n mar an gc anna le ga n icl ach adamh carb in-14. M nigh cad mar a th inig t ar do th tal, agus luaigh aon chothrom id a bh in s id agat. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [4] 4677.03 2 [Turn over 2 I gcuid mh r t ortha ar fud an domhain, t taighde gn omhach ar bun ar chomhle n icl ach mar acmhainn fuinnimh. Is f idir go nglacfaidh comhle n icl ach it breosla iontaise mar acmhainn fuinnimh nach mbeidh ina c is le truailli aeir. Scr daitheoir Amh in Marcanna Athmharc (a) Luaigh go beacht dh bhunt iste eile a bhaineann le comhle n icl ach mar acmhainn fuinnimh. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [4] (b) Leithlis onn an Tokamak san imoibreoir JET an plasma bhalla an tsoithigh srianta. M nigh an d igh a nd antar seo. _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (c) Luaigh f th eile, le cois srianadh plasma, a bhfuil s iontach doiligh comhle a fh il ar mh rsc la ar an Domhan. _________________________________________________________ ______________________________________________________ [2] 4677.03 3 [Tiontaigh an leathanach I gcuid (b) den cheist seo ba ch ir duit do fhreagra a thabhairt i bpr s lean nach. Meas n far th ar chaighde n na cumars ide scr ofa. 3 Scr daitheoir Amh in Marcanna Athmharc Nuair a imbhuaileann leictreon agus posatr n le ch ile, t irgtear dh fh t n. (a) (i) Ainmnigh an t-idirghn omh seo idir an leictreon agus an posatr n. ___________________________________________________ [1] (ii) Luaigh cad chuige gur tarl annamh idirghn omh den chine l seo. ___________________________________________________ [1] 4677.03 4 [Turn over (b) Is i mbrostaitheoir c ithn n a dh antar imbhuailt den chine l a gcuirtear s os orthu in (a). Scr daitheoir Amh in Marcanna Athmharc Cuir s os ar phrionsabal oibrithe an bhrostaitheora l nigh. Ba ch ir duit sceitse a s id mar chuidi le do fhreagra a mh ni . _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [6] Caighde n na cumars ide scr ofa 4677.03 [1] 5 [Tiontaigh an leathanach 4 (a) (i) Cad a chialla onn c ithn n bun sach? Scr daitheoir Amh in Marcanna Athmharc ______________________________________________________ ___________________________________________________ [1] (ii) n liosta seo a leanas de ch ithn n fo-adamhacha, fol nigh na c ithn n nach c ithn n bun sacha iad. neodr n : neoidr on : p -mh as n : leictreon : t : pr t n [1] (b) Is ainmneacha iad leapt in agus hadr nanna a thugtar ar dh ghr pa de ch ithn n fo-adamhacha. (i) Luaigh difr ocht idir leapt in agus hadr nanna. ______________________________________________________ ___________________________________________________ [1] (ii) Foroinntear hadr nanna ar s ina dh rang de ch ithn n. Ainmnigh na ranganna c ithn n at i gceist. ______________________________________________________ ___________________________________________________ [1] (iii) C ithn n nach bhfuil bun sach, ranga tear iad i dt arma a strucht ir cuairc. 1. Luaigh an difr ocht ghinear lta, i dt arma strucht ir cuairc, idir an d rang de ch ithn n at ainmnithe in (b)(ii) agat. ___________________________________________________ ________________________________________________ [1] 4677.03 6 [Turn over 2. I dtaca le dh cheann de na c ithn n sa liosta in (a)(ii) a bhfuil strucht r cuairc acu, luaigh sonra ar na strucht ir seo. Scr daitheoir Amh in Marcanna Athmharc ___________________________________________________ ___________________________________________________ ________________________________________________ [2] 4677.03 7 [Tiontaigh an leathanach Ceist shaorfhreagtha sh nte Scr daitheoir Amh in Marcanna Athmharc Cuireann an cheist seo le riachtanas mheas n sionoptach na Sonra ochta. Sa fhreagra agat, t thar ag s il go dt gfaidh t le ch ile agus go gcuirfidh t i bhfeidhm iad prionsabail agus comhth acsanna r ims eile na fisice, agus go mbainfidh t s id as scileanna na fisice sna c sanna ar leith a gcuirtear s os orthu. Moltar duit tuairim is 20 n im ad a chaitheamh ar an cheist seo. Breisi omh 5 F adann feist radharc o che oibri tr bhreisi omh . Sa phr iseas seo bail tear na m ideanna b deacha de sholas infheicthe, ar a n- ir tear an chuid ochtair den speictream infridhearg, at i l thair ach seans nach f idir linn iad a fheice il, agus aimpl tear ansin iad go pointe mar ar f idir an omh a bhreathn . (a) Sa speictream ast ch in do hidrigin, t ast ch n infheicthe agus ast ch n infridhearg ann chomh maith. Taispe nann F or 5.1 l ar id leibh al fuinnimh do hidrigin. Is iad na trasdulta anuas a thaispe ntar is c is leis an r igi n infridhearg, an r igi n infheicthe agus an r igi n ultraivialait den speictream hidrigine. Fuinneamh/eV n = igr och n=7 n=4 n=3 n=2 0 A B C 0.85 1.51 3.40 13.61 n=1 F or 5.1 4677.03 8 [Turn over (i) C n tsraith l nte, A, B n C ar F or 5.1 a chomhfhreagra onn d ast ch n rada ochta infridheirge? M nigh do fhreagra. Scr daitheoir Amh in Marcanna Athmharc ______________________________________________________ ______________________________________________________ ______________________________________________________ ___________________________________________________ [3] Is le fead n dianaitheoir omh taobh istigh den fheiste radharc o che a bhail tear agus a aimpl tear an solas infridhearg agus an solas infheicthe. T ann solas isteach san fheiste radharc o che tr lionsa inr imneach a dh anann a fh cas ar an fh tacat id. (ii) Tarraing gal ar id a thaispe nfaidh cad mar a fh casa tear solas r ad ag igr och ar an fh tacat id tr d an lionsa. Glactar leis gur glacad ir pointe an fh tacat id. [3] 4677.03 9 [Tiontaigh an leathanach (b) (i) Nuair a bhuaileann na f t in fuinneamh solais an fh tacat id, eisteilgtear leictreoin. Cad a thugtar ar an ifeacht seo? Scr daitheoir Amh in Marcanna Athmharc ___________________________________________________ [1] (ii) Is 0.75 m go 1.4 m raon tonnfhad na rada ochta infridheirge at bhreisi . R omh minic ocht tairs osta na f tacat ide d ast leictreon nuair a lonra onn aon chuid de raon na rada ochta infridheirge seo uirthi. Minic ocht tairs osta = __________________ Hz 4677.03 10 [2] [Turn over (c) De r ir mar a th ann na leictreoin tr d an fhead n, luasgh ara tear iad ag r imse leictreach a th irgtear ag difr ocht poit insil 5000 V s.d. T an fheiste radharc o che chumhacht ag sol thar 3 V s.d. Scr daitheoir Amh in Marcanna Athmharc (i) N l s chomh simpl sin an sol thar 5000 V s.d. a th irgeadh. T 3 ch im ann. C im 1: C im 2: C im 3: 3 V s.d. go 3 V s.a. 3 V s.a. go 5000 V s.a. 5000 V s.a. go 5000 V s.d. 1. Ainmnigh an fheiste a s idtear i gc im 2. ________________________ [1] 2. Cad chuige go gcaithfear s.d. a athr go s.a. i gc im 1? _______________________________________________ [1] 3. Luaigh sonra sonracha ar an d igh a nd antar an m ad 3 V s.a. go 5000 V s.a. i gc im 2. __________________________________________________ _______________________________________________ [1] (ii) R omh an treoluas a ghn tha onn leictreon nuair a luasgh ara tear fhos tr dhifr ocht poit insil 5.0 kV. Treoluas = __________________ m s 1 4677.03 11 [4] [Tiontaigh an leathanach (d) T s t bhachtach gur i l nte d reacha a bh onn na leictreoin ag gluaiseacht san fhead n dianaitheoir omh sa d igh go gcruth far an omh ch anna ar an sc ile n fluairiseach nuair a bhuaileann na leictreoin an sc ile n. Scr daitheoir Amh in Marcanna Athmharc Is an prionsabal c anna at i gceist leis an ascalasc p ga-chat ideach. Anseo, buaileann leictreoin sc ile n fluairiseach chomh maith le spota solais a chruth . (i) M nigh go hachomair c n d igh, san ascalasc p ga-chat ideach, a mbogtar an spota solais singil seo go ceartingearach suas an sc ile n go su omh nua. B odh l ar id agat le do fhreagra a mh ni . _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (ii) Is bun s de theicn c thomhais gluaiseacht an spota solais in (d)(i). Luaigh an chainn ocht at tomhas. _____________________________________________________ ___________________________________________________ [1] (iii) Luaigh an d igh a bhf adfa gluaiseacht ceartingearach an spota solais shingil a athr le go dt irgfear l ne cheartingearach lean nach. _____________________________________________________ ___________________________________________________ [1] SEO DEIREADH AN SCR DPH IP IR 4677.03 12 [Turn over

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Additional Info : Gce Physics June 2008 Assessment Unit A2 3A, Module 6: Particle Physics (Irish Medium)
Tags : General Certificate of Education, A Level and AS Level, uk, council for the curriculum examinations and assessment, gce exam papers, gce a level and as level exam papers , gce past questions and answer, gce past question papers, ccea gce past papers, gce ccea past papers

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