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GCE MAY 2010 : AS 3, Practical Techniques (Internal Assessment) Session 1-- Revised (Irish-Medium)

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So nr N a o ua ch t Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED SUBSIDIARY (AS) General Certificate of Education 2010 Fisic Aonad Meas naithe AS 3 AY131 ag meas n Teicn c Praitici la (Meas n Inmhe nach) Seisi n 1 [AY131] D LUAIN 10 BEALTAINE, MAIDIN 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. Tiontaigh go leathanach 2 le haghaidh Treorach agus Faisn ise breise. Don Mh inteoir amh in Ceist 5(a) N OR CUIREADH CUIREADH Ar cuireadh an chothrom id do P in i l don iarrth ir? Uimhir Ceiste Ar cuireadh an chothrom id do R in i l don iarrth ir? 1 2 3 4 5 Marc Ioml n 5368.04 Marcanna Marc Seice il M inteora Scr daitheora TREOIR D IARRTH IR Freagair na ceisteanna uilig sa leabhr n seo. N m r obair gharbh agus r omhaireachta a dh anamh sa leabhr n seo chomh maith. Mura n-iarrtar ort , n cuir s os ar an fhearas n ar n sanna imeachta turgnamhacha. Cuirfidh an M inteoir/an Feitheoir in i l duit an t-ord inar ch ir duit na ceisteanna a fhreagairt. Caith uair an chloig ar Roinn A agus 30 n im ad ar Roinn B. T ceithre th st il ghearra thurgnamhacha i Roinn A. Beidh an fearas ar f il duit ar feadh 13 n im ad le haghaidh gach ceann de na t st lacha. Ag deireadh an tr imhse thurgnamhach 13 n im ad seo beidh 2 n im ad agat le haistri go dt an it at leagtha amach don ch ad t st il eile. Is f idir aon am breise a bheidh agat roimh an ch ad t st il eile a s id le n ta a scr obh ar aon rud nach bhfuil comhl naithe go f ill agat. Ag deireadh na hoibre i Roinn A iarrfar ort dul go dt an it at leagtha amach do Roinn B. T ceist amh in i Roinn B ina a mbeidh ort anail s a dh anamh ar shraith tortha turgnamhacha. EOLAS D IARRTH IR Is 40 an marc ioml n don ph ip ar seo. T 20 marc ag dul do Roinn A agus Roinn B araon. L ir onn figi ir idir l ib n ar thaobh na l imhe deise de leathanaigh na marcanna at ag dul do gach cuid de cheist. T cead agat ireamh n leictreonach a s id. 5368.04 2[Turn over LEATHANACH B N 5368.04 3 [Tiontaigh an leathanach Roinn A 1 Marc M inteora Seice il Scr daitheora Athmharc Sa turgnamh seo t ort lionsa inr imneach a s id le h omh nna f casaithe de r ad soilsithe a fh il. T an fearas curtha i dtreoir mar a thaispe ntar in F or 1.1, agus an bosca solais agus an sc ile n ag fad fosaithe, L, na ch ile. N hathraigh fad L le linn an turgnaimh seo. Bosca solais R ad Lionsa Sc ile n Rial ir m adair L x1 x2 F or 1.1 (a) (i) Tomhais agus taifead an fad, L, idir an r ad agus an sc ile n. L = ________________ mm (ii) Ar dt s, bog an lionsa go mbeidh omh gh ar le feice il ar an sc ile n, agus an lionsa n os c ngara don bhosca solais n at s don sc ile n. Taifead an fad seo mar x1. x1 = ________________ mm (iii) Ansin, bog an lionsa go mbeidh omh gh ar le feice il ar an sc ile n, agus an lionsa n os c ngara don sc ile n n at s don bhosca solais an iarraidh seo. Taifead an fad seo mar x2. x2 = ________________ mm 5368.04 [3] 4 [Turn over (b) Is f idir fad f casach an lionsa, f, a fh il tr d an fhoirmle seo a leanas a s id. f= Marc M inteora Seice il Scr daitheora Athmharc L2 ( x2 x 1 )2 4L Faigh luach f. f = ________________ mm [1] (c) Luaigh gn amh in den mhodh seo a rachadh i bhfeidhm ar bheachtas an fhaid fh casaigh. [1] 5368.04 5 [Tiontaigh an leathanach 2 Sa turgnamh seo t ort an voltas sol thair, agus an sruth at ag sreabhadh ag point ags la i l onra friot ir , a thomhas. Marc M inteora Seice il Scr daitheora Athmharc T an ciorcad a thaispe ntar in F or 2.1 curtha i dtreoir. RA A + Sol thar Cumhachta - RB V RC F or 2.1 (a) Taifead na luachanna ar an voltmh adar agus ar an aimpmh adar agus uaidh sin r omh friota ocht an chiorcaid. L amh an voltmh adair = ________________ V L amh an aimpmh adair, IA = ________________ mA Friota ocht an chiorcaid = ________________ [2] (b) (i) Bog an t-aimpmh adar leis an sruth IB at ag sreabhadh tr d an fhriot ir RB sa chiorcad seo a thaifeadadh. Sruth IB = ________________ mA [1] (ii) Bog an t-aimpmh adar ar s leis an sruth IC at ag sreabhadh tr d an fhriot ir RC sa chiorcad seo a thaifeadadh. Sruth IC = ________________ mA 5368.04 6 [1] [Turn over (iii) Faigh suim na sruthanna IB agus IC tr d na friot ir RB agus RC agus luaigh cad mar is f idir seo a s id leis an imchoime d luchta sa chiorcad seo a fh or . IB + IC = Marc M inteora Seice il Scr daitheora Athmharc mA [1] 5368.04 7 [Tiontaigh an leathanach 3 Sa turgnamh seo t ort tr imhse ascalaithe meall cruach at ag rolladh i gclog-ghloine a imscr d , f ach F or 3.1. D anfaidh t an turgnamh ar s le meall cruach is m . Marc M inteora Seice il Scr daitheora Athmharc clog-ghloine Meall cruach G shn th F or 3.1 (a) (i) Cuir an meall cruach is l gar d imeall na clog-ghloine agus scaoil , le go mbogfaidh s anonn is anall feadh thrastomhas na gloine. Taifead tomhais leis an tr imhse ascalaithe a fh il. Tr imhse ascalaithe = ________________ s (ii) D an an turgnamh ar s leis an tr imhse ascalaithe don mheall cruach is m a fh il. Tr imhse ascalaithe = ________________ s 5368.04 8 [3] [Turn over (b) Tugtar trastomhas an mhill chruach is l ar ch rta ar an bhinse. Tomhais trastomhas an mhill chruach is m leis an tomhsaire scri micrim adair. Trastomhas = ________________ mm Marc M inteora Seice il Scr daitheora Athmharc [1] (c) C n t tal is f idir leat a bhaint as na tortha i gcodanna (a) agus (b) maidir leis an ghaol idir tr imhse ascalaithe meall cruach agus trastomhas meall cruach? [1] 5368.04 9 [Tiontaigh an leathanach 4 Sa turgnamh seo tomhaisfidh t an fad a sh neann linge n b seach de r ir mar a athra tear an t-ualach agus s idfidh t na tortha seo le luachanna a fh il don tairseach linge in k. Marc M inteora Seice il Scr daitheora Athmharc Y0 F or 4.1 (a) (i) Tomhais agus taifead an fad neamhsh nte Y0. Y0 = ________________ mm (ii) Croch an linge n as an teannt n. Cuir an crochad n maise ar l b ochtarach an linge in agus ansin taifead fad ioml n an linge in Y1. Y1 = ________________ mm (Is 100 g mais an chrochad in.) (iii) Cuir dh mhais 100 g ar an chrochad n agus ansin taifead fad an linge in Y2. Y2 = ________________ mm 5368.04 [2] 10 [Turn over (b) Is f idir an tairseach linge in k a fh il n ghaol F = kx, it arb F an f rsa at de dh th le s neadh x a th irgeadh. s id an luach a fuair t ar Y0, Y1 agus an t-ualach le c ad luach a fh il don tairseach linge in k, k1. s id an luach a fuair t ar Y0, Y2 agus an t-ualach le dara luach a fh il don tairseach k, k2. Marc M inteora Seice il Scr daitheora Athmharc k1 = ________________ N mm 1 k2 = ________________ N mm 1 [2] (c) Is d cha go mbeidh luach k2 n os beaichte. M nigh go hachomair cad chuige. [1] 5368.04 11 [Tiontaigh an leathanach Roinn B 5 Marc M inteora Seice il Scr daitheora Athmharc Uas-traschur Cumhachta agus Friota ocht Ualaigh B onn an chumhacht a thraschuirtear fhoinse leictreach amhail cadhnra, go dt ciorcad seachtrach ar a dtugtar an fhriota ocht ualaigh, ag brath ar fhriota ocht inmhe nach na foinse agus ar fhriota ocht an ualaigh. D s id mac l inn an ciorcad a thaispe ntar in F or 5.1 leis an ghaol idir an chumhacht a thraschuirtear go dt an t-ualach agus luach na friota ochta ualaigh a imscr d . A Foinse Leictreach V Ualach, friota ocht R F or 5.1 Seasann an friot ir inathraithe don fhriot ir ualaigh R. Tomhaiseann an t-aimpmh adar A an sruth a thraschuirtear n fhoinse agus tomhaiseann an voltmh adar V an voltas V trasna an fhriot ra ualaigh. Ghlac an mac l inn sraith luachanna de V agus a chomhfhreagra onn do luachanna difri la den fhriot ir ualaigh R. Taispe nann T bla 5.1 na tortha . T bla 5.1 V/ V 0.00 1250 0.909 1140 2.38 952 3.85 769 5.79 526 6.67 5368.04 I/mA Cumhacht P/ 417 12 Friota ocht R/ [Turn over Teoiric Marc M inteora Seice il Scr daitheora Athmharc (a) Ba mhaith leis an mhac l inn graf a bhreacadh den chumhacht P a thraschuirtear (ar an y-ais) ar an fhriota ocht ualaigh R (ar an x-ais). Luaigh na cothrom id a fh gann gur f idir an chumhacht P agus an fhriota ocht ualaigh R a r omh na sonra in T bla 5.1. P = ________________ R = ________________ [2] Tig leat cuidi a iarraidh mura bhfuil t cinnte faoi na cothrom id ba ch ir a s id le P n R a r omh na luachanna sa t bla. Is f idir go ngearrfar 2 mharc ar a mh id d ot. Pr ise il Sonra (b) (i) R omh na luachanna cumhachta agus friota ochta ualaigh at de dh th leis an t bla a chomhl n agus taifead iad ceart go dt l on cu figi ir bun sacha in T bla 5.1. Luaigh aonaid chu sa cheannteideal col in. [5] 5368.04 13 [Tiontaigh an leathanach (ii) Ar an eangach ar F or 5.2, tarraing graf de na sonra pr ise laithe in T bla 5.1. Roghnaigh sc la cu agus lip adaigh na haiseanna. Breac na point agus tarraing an cuar r idh is fearr tr othu. Ba ch ir go sroichfeadh an graf uasluach don chumhacht agus ba ch ir go mbeadh s ag laghd ansin de r ir mar a bh onn R ag m ad . [5] 5368.04 14 Marc M inteora Seice il Scr daitheora Athmharc [Turn over F or 5.2 5368.04 15 [Tiontaigh an leathanach Anail s Marc M inteora Seice il Scr daitheora Athmharc (c) n ghraf, faigh an uaschumhacht Pmax a bh traschur ag an fhoinse, agus luach na friota ochta ualaigh Rm nuair a tharla seo. Luaigh aonaid chu . Pmax = ________________ Rm = ________________ [2] Meas n (d) (i) C n d igh a bhf adfadh an mac l inn an turgnamh a fheabhs le go mbeadh na luachanna de Pmax agus Rm ar an ghraf n os beaichte? [1] Is f idir a l iri go mbeidh friota ocht inmhe nach na foinse cothrom leis an fhriota ocht ualaigh nuair a thraschuirtear an uaschumhacht n fhoinse go dt an t-ualach. (ii) Faoi na coinn ollacha seo, cad friota ocht ioml n an chiorcaid? Friota ocht ioml n = ________________ [1] (iii) Faigh ifeacht lacht na foinse cumhachta nuair a tharla onn uas-traschur cumhachta. ifeacht lacht = ________________ % [2] (iv) D amharc mac l inn eile ar T bla 5.1. Agus ag tr cht ar an ch ad l amh de V agus I, d irt s c n d igh a mbeadh sruth tr d an chiorcad nuair nach bhfuil voltas trasna an ualaigh sheachtraigh? . M nigh c n d igh a dtarl dh s seo. [2] 5368.04 16 [Turn over SEO DEIREADH AN SCR DPH IP IR Cuireadh isteach ar chead chun an t- bhar c ipchirt uile a at irgeadh. I gc sanna irithe is f idir n r irigh le CCEA teagmh il a dh anamh le h in ir c ipchirt agus beidh s s sta na hadmh lacha sin a f gadh ar l r a chur ina gceart amach anseo ach a chur ar an eolas. 5368.04

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Additional Info : Gce Physics May 2010 Assessment Unit AS 3, Practical Techniques (Internal Assessment) Session 1 - Revised (Irish-Medium)
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