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GCE JUN 2006 : A2 3A Particle Physics (Irish Medium)

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Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED General Certificate of Education 2006 Fisic Aonad Meas naithe A2 3A ag meas n Mod l 6: Fisic C ithn n [A2Y31] D ARDAOIN 15 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 5(d). 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 A2Y3AS6 2645.04 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 (a) (i) Glactar leis gurb tuairim is 4.6 10 43 m3 an toirt at ag n icl as irithe. Glactar leis gur sf ar an n icl as. Faigh meastach n ar gha an n icl is. Ga = ______________m [2] (ii) Sa Bhileog Foirml tugtar an chothrom id r = r0 A1/3 don gha n icl ach r. Agus do fhreagra ar (a)(i) in s id, faigh an n icl nuimhir A don n icl as seo. Glactar le 1.2 fm mar r0. N icl nuimhir = ___________________ [3] (b) (i) Cuir s os ar an strucht r at ar adamh de Chriopt n (92 Kr) i 36 dt arma pr t n, neodr n agus leictreon. _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] A2Y3AS6 2645.04 2 [Turn over (ii) C n f th a gcaithfidh f rsa darb ainm an t-idirghn omh l idir a bheith ann le m ni a thabhairt ar chobhsa ocht n icl is amhail Criopt n-92? Scr daitheoir Amh in Marcanna Athmharc _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] A2Y3AS6 2645.04 3 [Tiontaigh an leathanach 2 (a) Anseo th os t sampla amh in de imoibri comhle ina bhfuil hidrigin i gceist 2H 1 Scr daitheoir Amh in Marcanna Athmharc + 3 H 4 He + 1 n 1 2 0 Agus na sonra anseo th os in s id agat, faigh an fuinneamh at scaoileadh san imoibri seo. Tabhair do fhreagra in J. Taispe in do chuid oibre go soil ir. 2 1H 2.014102 u 3 1H 3.016030 u 4He 2 4.002604 u 1n 0 Maiseanna n icl acha: 1.008665 u Fuinneamh = __________________ J [3] (b) Caithfidh teochta chomh hard le 8.0 108 K a bheith ann le go dtarl idh comhle teirmean icl ach. Ag an teocht seo b onn bhar ann mar phlasma. D an meastach n ar an fhuinneamh chin iteach at ag c ithn n i bplasma ag teocht de 8.0 108 K. Scr obh do fhreagra ceart go dt dh fhigi r bhun sacha. Fuinneamh = __________________ J A2Y3AS6 2645.04 4 [2] [Turn over 3 Is luasaire c ithn n an cioglatr n a bh onn in s id go minic le pr t in a luasgh ar . B onn na c ithn n luasgh ar agus iad ag dul idir dh leictreoid darb ainm dee-nna . In F or 3.1 anseo th os t sceitse de na leictreoid seo chomh maith leis an fhoinse pr t n. Cuirtear difr ocht poit insil ailt arnach dar minic ocht thairiseach idir na dee-nna. Cuirtear r imse maighn adach aonfhoirmeach i bhfeidhm normalach le pl na na ndee-nna. Scr daitheoir Amh in Marcanna Athmharc dee-nna foinse pr t n F or 3.1 (a) (i) Ar F or 3.1 sceitse il conair na bpr t n i ndiaidh go n-asta tear n fhoinse iad. Luaigh c acu at an r imse maighn adach fheidhmi isteach i bpl na an ph ip ir n amach as sa d igh go nd anfar an chonair at sceitse ilte agat. Cuir do fhreagra in i l tr tic a chur sa bhosca chu . T an r imse maighn adach fheidhmi isteach i bpl na an ph ip ir T an r imse maighn adach fheidhmi amach as pl na an ph ip ir [2] (ii) An difr ocht poit insil ailt arnach idir na dee-nna, m nigh an d igh a mb onn na pr t in luasgh ar aige le linn rothl amh in d gconair. _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] A2Y3AS6 2645.04 5 [Tiontaigh an leathanach (iii) Taispe in gur leis an slonn seo th os a thugtar an floscdhl s maighn adach B den r imse maighne dach feidhmeach Scr daitheoir Amh in Marcanna Athmharc 2 m B = _____ e an it gurb f an mhinic ocht den difr ocht poit insil ailt arnach, gurb m mais na bpr t n agus gurb e an bunlucht. [3] (b) Agus an cioglatr n in (a) in s id chun na pr t in a luasgh ar , is 1.5 mT an floscdhl s maighn adach a bh onn de dh th. Faigh minic ocht na difr ochta poit insil feidhmeach at in s id sa luasaire. Minic ocht = ____________Hz A2Y3AS6 2645.04 [2] 6 [Turn over 4 (a) Comhl naigh T bla 4.1 tr gach sp s a l onadh le sampla cu n le cine l cu de ch ithn n. Scr daitheoir Amh in Marcanna Athmharc T bla 4.1 Cine l c ithn n Sampla bar n leapt n pi n frithch ithn n (b) (i) [2] Luaigh strucht r cuairc an phr t in. ___________________________________________________ [1] (ii) Agus do fhreagra ar (b)(i) in s id, taispe in gurb +1e an lucht at ar phr t n. ___________________________________________________ [1] (c) (i) Scr obh dh chothrom id ina l ir tear imoibri a chuireann s os ar mheath b ite ( ) i dt arma cuarc. I ngach cothrom id acu ba ch ir go mbeadh an c ithn n f or il a asta tear agus a dtugtar an b s n W air. [2] (ii) Luaigh an f rsa at ina ch is leis an phr iseas seo. ___________________________________________________ [1] A2Y3AS6 2645.04 7 [Tiontaigh an leathanach 5 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. I gcodanna (d) 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. Graif san Fhisic Agus t ag dul don Fhisic bheadh graif le d anamh agat. Sa chuid theoirici il den bhar b onn siad in s id leis an ghaol idir athr ga a thaispe int, le prionsabail a l iri agus le sonra a chur i l thair. San obair phraitici il bheadh graif in s id go forleathan agat chun anail s a dh anamh ar do thortha turgnamhacha. Baineann codanna (a), (b) agus (c) den cheist seo le graif a mbeidh cur amach agat orthu do obair theoirici il, agus baineann cuid (d) le feidhmi ch in phraitici la graf. (a) In F or 5.1 taispe ntar cad mar at luas v c ithn n, at ag gluaiseacht i l ne dh reach, ag brath ar am t. v 0 0 t F or 5.1 (i) Cuir s os ar ghluaisne an ch ithn n. ______________________________________________________ ______________________________________________________ ____________________________________________________ [2] A2Y3AS6 2645.04 8 [Turn over (ii) Ar F or 5.2 sceitse il graf lena thaispe int cad mar at luasgh ar a an ch ithn n ag brath ar am t. Scr daitheoir Amh in [1] Marcanna Athmharc a 0 0 t F or 5.2 (iii) Ar F or 5.3 sceitse il graf lena thaispe int cad mar at d l ithri ch n s an ch ithn n ag brath ar am t. Ag am t = 0, is nialas an d l ithri ch n. [1] s 0 0 t F or 5.3 A2Y3AS6 2645.04 9 [Tiontaigh an leathanach (b) In F or 5.4 taispe ntar dh thonn s nis A agus B. Forshu tear na tonnta seo sa d igh go bhfaightear an tonn chomhthoraidh C. Scr daitheoir Amh in Marcanna Athmharc 2 2 x/cm 1 1 0 0 A 0 1 2 3 4 5 6 t/s 7 8 9 7 8 9 t/s 8 9 t/s 1 2 2 x x/cm B 1 1 0 0 0 1 2 3 4 5 6 1 2 2 2 2 x x/cm C 1 1 0 0 0 1 2 3 4 5 6 7 1 2 Fig. F or 5.4 (i) Glac tomhais na graif ag am t = 8.0 s agus s id iad lena dhearbh gur cuireadh prionsabal fhorshu omh na dtonnta i bhfeidhm i gceart le tonn C a thabhairt. Taispe in an r as n at agat. R as n : _____________________________________________ __________________________________________________ [3] A2Y3AS6 2645.04 10 [Turn over (ii) Faigh aimpliti id agus minic ocht thonn C. Scr daitheoir Amh in Marcanna Athmharc Aimpliti id = ___________ cm Minic ocht = _______________ Hz [2] (iii) N mar an gc anna iad, aimpliti id thonn C agus suim na n-aimpliti id de thonnta A agus B. N l prionsabal an fhorshu mh bhr agn aige seo. M nigh cad chuige. _____________________________________________________ ___________________________________________________ [1] (c) In F or 5.5 taispe ntar ciorcad chun toilleoir a lucht agus chun a dh lucht ansin tr d fhriot ir agus lasc d shu omh in s id. F or 5.5 Is graf F or 5.6 de chomhathr lucht Q ar an toilleoir le ham t le linn d luchtaithe. Q 0 A2Y3AS6 2645.04 0 F or 5.6 Fig. 5.6 11 t [Tiontaigh an leathanach (i) Luaigh an d igh a n- s idfe F or 5.6 chun luach beacht de thairiseach ama an chiorcaid friot ir-toilleoir a fh il. Scr daitheoir Amh in Marcanna Athmharc _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] (ii) An friot ir in F or 5.5, cuirtear friot ir eile dar friota ocht n os m ina it. D antar an pr iseas de lucht agus dh lucht ar s. Ar F or 5.6 sceitse il graf chun comhathr nua den lucht Q le ham t a thaispe int. [2] (d) B onn graif in s id go forleathan chun anail s a dh anamh ar thortha turgnamhacha. Ag tos duit leis an fh ric go bhf adfa cuid mh r de ghaoil na fisice a mb onn bhfiosr go turgnamhach agat a chur san fhoirm l neach chaighde nach y = mx + c luaigh ceithre fh th le cad chuige ar bunt iste chomh m r sin na tortha a mheas go grafach. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] Caighde n na cumars ide scr ofa A2Y3AS6 2645.04 [1] 12 [Turn over SEO DEIREADH AN SCR DPH IP IR A2Y3AS6 2645.04 13

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Additional Info : Gce Physics June 2006 Assessment Unit A2 3A, Module 6: Particle Physics (Irish Medium)
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