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GCE MAY 2009 : 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 2009 Fisic Aonad Meas naithe AS 3 ag meas n Teicn c Praitici la (Meas n Inmhe nach) Seisi n 1 [AY131] D C ADAOIN 13 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)(i) Uimhir Ceiste Ar ins odh don iarrth ir c n graf le breacadh? 1 2 INS ODH N OR INS ODH 3 4 5 Marc Ioml n 4993.07 Marcanna Marc M inteora Seice il Scr daitheora TREOIR D IARRTH IR Freagair na ceisteanna uile 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 d arfar leat dul go dt an it at leagtha amach do Roinn B. T ceist amh in i Roinn B mar a mbeidh ort sraith de thortha turgnamhacha a anail si . 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. 4993.07 2 [Turn over LEATHANACH B N 4993.07 3 [Tiontaigh an leathanach Roinn A 1 Marc Seice il M inteora Scr daitheora Athmharc Sa turgnamh seo t ort conair solais a fhiosr de r ir mar a ghluaiseann s aer isteach i mbloc plaistigh agus a thagann amach ar an taobh eile. Ar f il duit t bloc dronuilleach plaistigh, bosca gathanna, uillinntomhas agus rial ir. (a) Cuir an bloc plaistigh ar F or 1.2 ar an leathanach thall agus marc il a iml ne. Ba ch ir go mbeadh an bloc mar at l irithe in F or 1.1. Bloc F or 1.1 Bain an bloc ar shi l agus tarraing normal i ngar don l rphointe ar cheann de na sleasa is faide ar an bhloc. Ansin, tarraing l ne a l ireoidh ga ionsaitheach ar uillinn ionsaithe i de 20 . Cuir an bloc ar ais ar a iml ne ar an ph ip ar. Cuir an bosca gathanna le ga solais a dh ri feadh na l ne at tarraingthe agat. Marc il conair an gha a thagann amach as an bhloc. Bain an bloc ar shi l agus t g conair an gha tr d an bhloc. D an an n s imeachta seo ar s le haghaidh uillinn ionsaithe i de 40 , ag baint s ide as an l ne normail ch anna. [3] 4993.07 4 [Turn over F or 1.2 4993.07 5 [Tiontaigh an leathanach (b) s id do l ar id le tomhais a dh anamh de na huillinneacha athraonta r ar dhul isteach sa bhloc. Marc Seice il M inteora Scr daitheora Athmharc Taifead na huillinneacha athraonta in T bla 1.1. T bla 1.1 Uillinn ionsaitheach i/ Uillinn athraonta r/ 20 40 s id do thortha chun me nluach a fh il do chomh ifeacht athraonta an phlaistigh as a bhfuil an bloc d anta. T sp s ar f il in T bla 1.1 do aon luachanna breise a bheidh ort a r omh. Moltar duit do chuid oibre a thaispe int go soil ir. Comh ifeacht athraonta an phlaistigh = [2] 4993.07 6 [Turn over LEATHANACH B N (Leanann na ceisteanna ar an ch ad leathanach eile) 4993.07 7 [Tiontaigh an leathanach 2 Sa turgnamh seo t ort luach beacht a fh il le haghaidh peiriad ascalaithe luascad in, agus a fhiosr cad mar at an peiriad ag brath ar fhad an luascad in. Marc Seice il M inteora Scr daitheora Athmharc Taispe nann F or 2.1 c iri ch n an fhearais, at curtha i dtreoir cheana f in duit. x A F or 2.1 (taobh-amharc) B F or 2.2 (aghaidh-amharc) T mirle n an luascad in ar crochadh as sreang n at ions ite i gcorc scoilte. Is f idir fad an tsreang in a choigeart tr na tharraingt tr d an chorc. Tomhaistear an fad idir an pointe crochta agus l rphointe mhirle n an luascad in. Is f idir an fad a thomhas leis an rial ir m adair. Is peiriad an ascalaithe n an t-am a ghlacann an mirle n luascadh A go B agus ar ais go A, mar a thaispe ntar in F or 2.2. (a) Ag baint s ide as an rial ir, seice il gurb 15 cm fad x. Ag baint s ide as ascaluithe beaga, faigh peiriad ascalaithe T an mhirle in. Taifead do thortha uile in T bla 2.1. Cuir ceannteideal cu ar an chol n bh n. T bla 2.1 x/cm T/s 15 30 45 D an an n s imeachta ar s le haghaidh luachanna an fhaid x dar 30 cm agus 45 cm. [3] 4993.07 8 [Turn over (b) Tuigtear gur leis an chothrom id th os a thugtar an gaol idir an fad x agus peiriad ascalaithe T an mhirle in T = kxn Marc Seice il M inteora Scr daitheora Athmharc Cothrom id 2.1 an it ar tairisigh iad k agus n. Ag baint s ide as do thortha in T bla 2.1, roghnaigh luach f ideartha do n in Cothrom id 2.1. Cuir do rogha in i l tr thic ( ) a chur sa bhosca chu . M nigh do fhreagra. n=1 1 n= 2 n = 2 M ni : ____________________________________________ __________________________________________________ _______________________________________________ [2] 4993.07 9 [Tiontaigh an leathanach 3 Sa turgnamh seo t ort ti s an bhalla i bp ob n copair a thomhas. Marc Seice il M inteora Scr daitheora Athmharc (a) s id an cailp ar vernier le trastomhas seachtrach E agus trastomhas inmhe nach I an ph ob in a thomhas, mar a thaispe ntar in F or 3.1. E I F or 3.1 Taifead do l amha uile sna sp sanna th os. Trastomhas seachtrach E = __________ mm Trastomhas inmhe nach I = __________ mm s id na luachanna seo chun ti s t bhalla copair an ph ob in a fh il. Ti s t = __________ mm 4993.07 [4] 10 [Turn over (b) R omh an iginnteacht absal ideach i do luach ar thi s t. N cuir san ireamh ach an iginnteacht de r ir l amha an chailp ir. iginnteacht absal ideach = __________ mm 4993.07 11 Marc Seice il M inteora Scr daitheora Athmharc [1] [Tiontaigh an leathanach 4 Sa turgnamh seo t ar f il duit bosca s alaithe at feistithe le ceithre theirmin al A, B, C, D. Taispe nann F or 4.1 tr ch iri ch n d fhriot ir comhionanna a d fh adfadh a bheith taobh istigh den bhosca sh alaithe. A A B D C A B D C C iri ch n 1 B D C C iri ch n 2 C iri ch n 3 F or 4.1 T ceann amh in de ch iri ch in na bhfriot ir seo taobh istigh den bhosca. T ort a fh il amach c n c iri ch n at i gceist. Ar f il duit chomh maith t ciorcad t st la r amhcheangailte ina bhfuil sol thar cumhachta, aimpmh adar, voltmh adar agus seol in ch naisc, mar a thaispe ntar in F or 4.2. A V F or 4.2 4993.07 12 [Turn over (a) s id an ciorcad t st la le l amha a ghlacadh de shruth I agus voltas V le haghaidh gach ceann de na c naisc AD, BD agus CD. Taifead do l amha in T bla 4.1. Marc Seice il M inteora Scr daitheora Athmharc T bla 4.1 AD BD CD I/mA V/V R/ R omh an fhriota ocht chomhfhreagrach R do gach ceann de na c naisc, agus cuir seo in T bla 4.1. [3] (b) D an amach c acu c iri ch n in F or 4.1 at sa bhosca. Cuir do rogha in i l tr thic ( ) a chur sa bhosca chu . M nigh do fhreagra. Moltar duit do chuid oibre a thaispe int go soil ir. Istigh sa bhosca t c iri ch n na bhfriot ir a thaispe ntar in C iri ch n 1 C iri ch n 2 C iri ch n 3 M ni _____________________________________________ __________________________________________________ __________________________________________________ ________________________________________________ [2] 4993.07 13 [Tiontaigh an leathanach Roinn B Marc Seice il M inteora Scr daitheora Athmharc Ceist ar Anail s ar na Sonra 5 Luasgh ar saorthitime ar dhromchla an Domhain s ideann mac l inn fearas saotharlainne le luach a fh il le haghaidh luasgh ar saorthitime ar dhromchla an Domhain, g. Ligtear do ghr n iompair titim fhos airde h. Athra onn an mac l inn an airde na ligtear don ghr n iompair titim. Tomhaiseann an mac l inn an airde seo le rial ir m adair. s idtear amghaireas leictreonach leis an am t a ghlacann an gr n iompair titim a thomhas. Tortha Glacann an mac l inn sraith luachanna de t a chomhghreagra onn le luachanna difri la de h. Taifeadann an mac l inn na tortha in T bla 5.1. T bla 5.1 h/cm 30.0 0.249 40.0 0.293 50.0 0.319 60.0 0.351 70.0 0.378 80.0 / t/s 0.400 T beartaithe ag an mhac l inn cothrom id chaighde nach gluaisne 1 s = ut + at 2 2 Cothrom id 5.1 an it arb s an fad taistealta, u an treoluas tosaigh, a an luasgh ar agus t an t-am a ghlactar, a chur i bhfeidhm ar na tortha seo. 4993.07 14 [Turn over (a) (i) C n graf is c ir a bhreacadh a thabharfaidh l ne dh reach nar f idir g a fh il? Luaigh an ais chothrom nach (x) agus an ais ingearach (y). Marc Seice il M inteora Scr daitheora Athmharc Ais chothrom nach: _______________ Ais ingearach: _______________ [2] Mura dtig leat a oibri amach c n graf at de dh th, tig leat cuidi a iarraidh. Bainfear 2 mharc d ot. (ii) M nigh an d igh ar f idir an luach g a fh il n ghraf in (a)(i). [1] 4993.07 15 [Tiontaigh an leathanach Pr ise il sonra Marc Seice il M inteora Scr daitheora (b) (i) Sa chol n bh n in T bla 5.1, cuir sa cheannteideal an chainn ocht is c ir a r omh leis an ghraf in (a)(i) a tharraingt. B odh aonaid chu ann. Athmharc [2] (ii) R omh na luachanna uimhri la at de dh th leis an chol n bh n in T bla 5.1 a chomhl n ceart go dt l on cu d fhigi ir bun sacha. [2] (iii) Ar an eangach de F or 5.1 ar an leathanach thall, tarraing an graf de na sonra pr ise ilte in T bla 5.1. Lip adaigh na haiseanna sna bosca chuige sin agus roghnaigh sc la f irsteanacha. Breac na point agus tarraing l ne dea-oiri naithe. [5] Anail s (c) (i) Tomhais gr d n do ghraif in (b)(iii), ag taispe int do chuid oibre go soil ir. B odh aonad cu ann. Gr d n = _______________ Aonad: _______________ [3] (ii) Uaidh sin, r omh do luach de g. Luaigh do fhreagra in m s 2. g = _______________ m s 2 4993.07 [1] 16 [Turn over / F or 5.1 4993.07 17 / [Tiontaigh an leathanach Luach il Marc Seice il M inteora Scr daitheora Athmharc (d) (i) Is mar 9.81 m s 2 a thugtar an luach de g ar leath n sonra an mhic l inn. R omh an difr ocht ch atad nach idir an luach seo agus do luach f in in (c)(ii). Difr ocht ch atad nach i luachanna de g = ________ % [2] (ii) M nigh an d igh, ag baint s ide as do ghraf, ar f idir teorainn uachtair a chur ar an luach de g. Faigh an teorainn uachtair seo. M ni : Teorainn uachtair ar luach g = __________ m s 2 4993.07 18 [2] [Turn over SEO DEIREADH AN SCR DPH IP IR

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Additional Info : Gce Physics May 2009 Assessment Unit AS 3, Practical Techniques (Internal Assessment) Session 1 - Revised (Irish-Medium)
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