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GCE JUN 2006 : AS 3A Medical Physics (Irish Medium)

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Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED SUBSIDIARY (AS) General Certificate of Education 2006 Fisic Aonad Meas naithe AS 3A ag meas n Mod l 3A: Fisic Mh ochaine [ASY31] D LUAIN 19 MEITHEAMH, IARN IN AM 45 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 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 45 an marc ioml n don ph ip ar seo. Meas n far caighde n na cumars ide scr ofa i gCeist 5(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. Don Scr daitheoir amh in Uimhir Marcanna Ceiste 1 2 3 4 5 Marc Ioml n ASY3AS6 2318.04 M bh onn luachanna na dtairiseach siceach 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) Dath aireacht il ag s il an duine, s ltear gurb gn omh na gcine lacha difri la de ch n sa reitine is c is leis. (i) M nigh go hachomair an d igh a mb onn dathamharc ann mar gheall ar na cine lacha seo de ch n. _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (ii) Ar F or 1.1 sceitse il cuair lena thaispe int cad mar a bh onn an t-ions coibhneasta solais de gach cine l de ch n ag athr le tonnfhad. Lip adaigh ais an tonnfhaid le sc la cu . [4] Ions coibhneasta solais 0 tonnfhad/nm F or 1.1 (iii) Ar F or 1.1 chomh maith, sceitse il an cuar do ions forioml n solais na s ile. Luaigh an tonnfhad ag a mb onn an uas- ogaireacht fhorioml n ann. Tonnfhad don uas- ogaireacht = _______________nm ASY3AS6 2318.04 2 [2] [Turn over (b) An dathdhaille a dtugtar protanomaly n dearg-laige uirthi, t tuairim is fireannach amh in as gach c ad buailte aige. An deirge a fheiceann na daoine seo i ndath, b onn s i bhfad n os laige i dtaca le doimhneacht agus gile datha araon. Scr daitheoir Amh in Marcanna Athmharc I gc s daoine a bhfuil gn th-radharc acu, samhla tear d ibh gur dath b ndearg at ar bhl th cionn is go bhfrithchaitheann s solas dearg den chuid is m , ach cuid igin de sholas gorm chomh maith. Cad an dath a bheidh ar an bhl th i gc s na ndaoine sin a bhfuil protanomaly orthu? _______________________________________________________ [1] ASY3AS6 2318.04 3 [Tiontaigh an leathanach 2 (a) Sainmh nigh na t arma Scr daitheoir Amh in Marcanna Athmharc (i) neasphointe, _____________________________________________________ ___________________________________________________ [1] (ii) cianphointe, _____________________________________________________ ___________________________________________________ [1] (b) T fad cianphointe de 400 cm ag duine. (i) Ainmnigh an mh chail radhairc at ar an duine seo. ___________________________________________________ [1] (ii) Cad an ch is is d cha at leis an mh chail seo? ___________________________________________________ [1] (iii) Caithfidh t an chothrom id lionsa a s id lena fh il amach cad cumhacht an lionsa a bheadh de dh th leis an mh chail seo a chur i gceart. 1. Scr obh na hionada ochta a bheidh nd anamh agat do na cainn ochta u agus v sa chothrom id seo. B odh na comhartha agus na haonaid th bhachtacha agat. u = __________________________ v = __________________________ ASY3AS6 2318.04 4 [2] [Turn over 2. D an na hionada ochta seo agus faigh an chumhacht at sa lionsa ceartaitheach. Luaigh m id na cumhachta mar aon leis an aonad cu . Scr daitheoir Amh in Marcanna Athmharc Cumhacht = ______________________ Aonad = _______________________ [2] (iv) Gan sp acla a chaitheamh, t fad neasphointe de 25.0 cm ag an duine c anna. Faigh an fad neasphointe a bheidh aige agus na sp acla in (b)(iii) gcaitheamh aige. Fad neasphointe = _________________ cm ASY3AS6 2318.04 5 [2] [Tiontaigh an leathanach 3 (a) B onn an sc la deicibeile in s id le leibh al fuaimdh ine a thomhas. Gn th bhachtach a bhaineann leis n gur sc la logartamach . Scr daitheoir Amh in Marcanna Athmharc T an sc la deicibeile s ideach ach go h irithe cionn is gur sc la logartamach . Luaigh f th amh in le cad chuige. _________________________________________________________ _______________________________________________________ [1] (b) 85.0 dB a bh onn chl r ag m adar leibh al fuaime i su omh irithe agus foinse A ag feidhmi leis f in agus 87.0 dB a bh onn chl r aige agus foinse B ag feidhmi leis f in. (i) Faigh an l amh a bheidh ar an mh adar sa su omh seo agus an d fhoinse ag feidhmi le ch ile. (I0 = 1.0 10 12 W m 2) L amh ar an mh adar = _____________________ dB [4] (ii) Do fhreagra ar (b)(i), n or c ir go mbeadh difear r -mh r idir agus ceachtar den d l amh indibhidi la. Luaigh f th leis seo. _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] ASY3AS6 2318.04 6 [Turn over 4 (a) (i) I gc s duine ig, luaigh an gn th-raon at inbhraite ag cluas an duine. Scr daitheoir Amh in Marcanna Athmharc Teorainn ochtair: tuairim is ______________Hz Teorainn uachtair: tuairim is ______________Hz [1] (ii) B onn freagairt na cluaise ag athr le minic ocht, b onn uasmh id ann ag minic ocht ar leith. 1. Luaigh garluach don mhinic ocht seo. ________________________________________________ [1] 2. C n feinim an fisiceach, dar leat, a bheadh ina ch is lena mhacasamhail seo d iompra ocht? ________________________________________________ [1] (b) (i) Cad a chialla onn idirdheal minic ochta? _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (ii) Luaigh go c il ocht il cad mar a bh onn idirdheal minic ochta chluas an duine ag athr thar an raon inchloiste minic ochta. _____________________________________________________ ___________________________________________________ [1] ASY3AS6 2318.04 7 [Tiontaigh an leathanach Ba ch ir duit cuid (b) den cheist seo a fhreagairt i bpr s lean nach. Meas n far th ar chaighde n na cumars ide scr ofa. 5 Scr daitheoir Amh in Marcanna Athmharc (a) F adtar X-ghathanna a th irgeadh tr thargaid mhiotail a bhombard le leictreoin dar fuinneamh cu . In F or 5.1 t sceitse graif den d igh a bhfuil d ine I na X-gathanna astaithe ag brath ar thonnfhad na rada ochta i ndiaidh gur luasgh ara odh na leictreoin tr dhifr ocht poit insil ar leith. l nespeictream I speictream lean nach gearrthonnfhad scoite 0 0 0 F or 5.1 Is gn ithe t bhachtacha den speictream iad an speictream lean nach, a chr ochna onn le gearrthonnfhad scoite, agus an l nespeictream. Is f idir, fach, nach mbeidh an l nespeictream th irgeadh i gc na ; c acu a bh onn s ann n nach mb onn, t s ag brath ar an difr ocht poit insil fead in. (i) M nigh, i dt arma fuinnimh, an f th a bhfuil speictream lean nach ann. _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] (ii) M nigh cad chuige a gcr ochna onn an speictream lean nach ag tonnfhad ar leith. M nigh cad mar at an tonnfhad scoite 0 ag brath ar an difr ocht poit insil fead in V. _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] ASY3AS6 2318.04 8 [Turn over (iii) M nigh, i dt arma fuinnimh, an f th a bhf adfadh l nespeictream a bheith ann. _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (iv) C acu a th irgtear l nespeictream n nach dt irgtear, t s ag brath ar an difr ocht poit insil fead in. M nigh cad chuige. _____________________________________________________ _____________________________________________________ ___________________________________________________ [1] (v) Tuairim is 1% den fhuinneamh leictreach a bh onn fheidhmi ar an gha leictreon luathaithe, deirtear go minic go mb onn s in s id le X-ghathanna a th irgeadh. Luaigh cad a tharla onn don chuid is m den 99% eile. ___________________________________________________ [1] (b) Cuir s os go hachomair ar an d igh a mb onn X-ghathanna bhfeidhmi ar an teicn ocht scanadh tomagrafa och r omhairithe (CT) a bhaineann le h omh m ochaine. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] Caighde n na cumars ide scr ofa ASY3AS6 2318.04 [1] 9 Scr daitheoir Amh in Marcanna Athmharc SEO DEIREADH AN SCR DPH IP IR ASY3AS6 2318.04 10 [Turn over

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Additional Info : Gce Physics June 2006 Assessment Unit AS 3A, Module 3A: Medical 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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