1/9QUESTION POOL 2012-13PHYSICSbqWnv 7 & 8Std : XbqWnv GgvsshZypX]h Dev]mZ\hpw hnXcWhpw sshZypX]h Dev]mZ\hpw hnXcWhpw sshZypX]h Dev]mZ\hpw hnXcWhpw sshZypX]h Dev]mZ\hpw hnXcWhpw sshZypX]h Dev]mZ\hpw hnXcWhpw1. CSpn Uman Pe\ncvIgnhjs At]nvCu hjw hfsc IpdhmWv .BbXn\m sshZypXn \nb{Ww Cu hjw IqSpX thnhcpw.a) apIfn sImSpncnp ]{Xhmbnse s]mcp \na\nemnbnpmIpatm? AXv Fsv FgpXpI. (1)b) ]nhmken GXpXcw sshZypX \nebamWv m]nnpXv? (1)c) Cu \nebn \Sp Du]cnh\sav? (1)d) ]h P\tddpIfn tdmbn D]tbmKnptXXv? (1)2. ]nI ]qnbmpI (3)]htj\pI nXnsNpDuamwew____(a)____ ]nhmk bm{ntImwsshZyptXmwXm]sshZypX \nebw s\bvthen _____(b)_____BWhsshZypX \nebw ____(c)____ BWthmw sshZyptXmw3. IqSwIpfw {]iv\w \n ]{Xfn hmbnnpmIpatm?a) IqSwIpfvGXvsshZypX \nebhpambn _s {]iv \amWvDmbnpXv ?(1)b) Cu sshZypX \nebw m]npXns\pdnv \nfpsS \ne]mSvhyampI (2)4. _w Isn ]qcnnpI (1)Bta : t^oUvImw : .....................anIhv 201213Pnm]mbv & Ubv ImkdtKmUv2/95. \psS cmPyv sshZypXn, hnXcWn\pthn, D]mZnnp efmWv]h tj\pI.a) \psS cmPys ]htj\pIfn F{X thmnemWv sshZypXnDev]mZnnpXv? (1)b) hnXcWn\pthn Abp sshZypXnbpsS Bhrn F{X? (1)c) ]htj\pIfn GXv Xcw {Smkvt^madmWv D]tbmKnpXv? (1)6.a) CXv GXv Xcw P\tddn \np sshZypXnbpsS {Km^nI Nn{XoIcWamWv?(1)b) Ccw P\tddns LS\bnep hyXymksav? (1)c) Cs\bp P\td km[mcWbmbn FhnsSbmWv D]tbmKnmdv? (1)d) ChnsS GXv Xcw {Smkvt^madmWv D]tbmKnpXv? (1)7. NmeIneqsS sshZypXn ISnhnSptm Xm]w Dev]mZnnsSpatm?a) CXv GXv \nbahpambn _sncnpp? (1)b) Cu \nbahpambn _sSpnbm, sshZypX t{]jWneqsS DmIpDu\jvSw Ipdm GsXms am kzoIcnmw? (2)c) CXn\p]cnlmcambn hnXcWLn GXv \S]SnbmWv kzoIcnnpXv?(2)8. hP\tddpIfn dc \Im D]tbmKnp klmbI P\tddns t]scv?(1)9. hnXcW {Smkvt^madns C]pn 3 sse\pIfpw, Huv]pn 4 sse\pIfpw,ImWmdptm?a) CXns skdnbn GXv coXnbnemWv InI _nnncnpXv? (1)b) Huv]pn A[nIambn hnp sse GXv t]cnednbsSpp? (1)c) Cu sse Fv sNpXns Bhiysav? (1)d) km[mcWbmbn hoSpIfntev sshZypXn FnpXv Chbn GsXmssse\pIfmWv? (1)3/910.a) Nn{Xw 2 __pI LSnnnp coXn GXv? (1)b) Ccnep {IaoIcWamWv KrlsshZypXoIcWn kzoIcnpsXn DmIp GsXnepw 2 {]iv\ FgpXpI. (2)11. tNcpw]Sn tNpI.knwKnt^kv AC 3 Bta{Xot^kv AC FIv sskklmbI P\td BtaNn{Xw 1Nn{Xw 212. XmsgsImSpnphbnsXmb{]kv Xmh\IfpsnAhIsnicnbmnsbgpXpI. (4)a) {Xot^kvP\tddpIfn 3 tImbnepIfnepw NppIfpsS Fw Xpeyambncnpw.b) h P\tddpIfn ^oUv Imambn ncImamWv D]tbmKnpXv.c) hnXcW irwJebn ]h tj\n am{Xta sv Uu {Smkvt^madpI D]tbmKnppq.d) kznv Ftmgpw \yq{S sse\nemWv LSnntXv.13. Sq]n D]tbmKnv{]hnp Hcp Iyqdns CPU hn \npw tjmttm,Sq]namn, {Xo]n LSnntm {]iv\w ]cnlcnsp.a) {Xon nse aqv ]npIfpw Fns\ kqNnnppshsgpXpI. (1)b) CXn henb ]n D]IcWns GXv `mKhpambnmWv _nnnpXv?(1)c) Cu ]nn\v \ofhpw hhpw IqSnbXpsImp {]tbmP\sav? (2)emfemftime4/914. XmsgsImSpnp`mKsfsshZypXsse\n\npwHcp__ntevsshZypXn Fnp{Ian FgpXpI. (2)(^nesav, sabn ^yqkv, hmv Ah ao, kznv, sabnkznv)15. {Xnt^kv sse\pI Xn tNpshncnp `mKw Fpt]cnednsSpp?(t^kv, \yq{S, Fv) (1)16. Hbms\ Isn ImcWklnXw FgpXpI (2)(MCB, kpcm ^yqkv, {Xo]nKv, ELCB)17. \msfnncn Duw F ]cn]mSntbmS\p_nv cmPp \Snb t{]mPIvSn\vAh\v km\w Inn. CXn\mbn Ahs honep 60Ws 5 ^nesav empIamn, ]Icw 12W s 5 CFL I D]tbmKnm XpSn.a) AhshonZnhtk\5aWnqhoXwCu^nesavempIsfmwD]tbmKnncp kabv , HcpamktvF{X Duw sNehmbnpmIpw?(2)b) ^nesavemn\p]IcwCFLZnhtk\AvaWnqD]tbmKntmAhs hon Hcp amktv F{X Duw sNehmbnpmIpw? (2)c) Fn^nesavempIamn,CFLID]tbmKntmbqWnn\v2cq]m\ncncmPphnshonseIdv _nnF{Xcq]em`nmkm[nnpmIpsav IWmpI. (3)18.a) Nn{Xn \Inbnp {IaoIcWn\p]dbp t]scv? (1)b) sse\pIfntemtcmpwFns\kqNnnppshvNn{Xw]InhcvFgpXpI. (3)c) Nn{Xn x Dw, yDw F{X thmv hoXw Bbncnpw? (2)abcd5/919. sshZypX sse\pIfn ]nI CcnpXv km[mcWbmWv. Fm Nnetmam{Xw ]nI tjmtvacnm\nShcpXn\v]nnep imkv {Xob hniZoIcWwFgpXpI. (2)20. 1000W ]h D Hcp D]IcWw Hcp aWnq {]hnnm D]tbmKnpDusa{Xbmbncnpw? (2)6/9bqWnv Fvi_v Zw i_v Zw i_v Zw i_v Zw i_v Zw1. _w Isn ]qcnnpI (1)a) DX : sUkns_Xo{hX : .............................b) Db {ipXn : s{S_v (1)Xmgv {ipXn : ....................c) hml\fpsS {]thKw : tUm C^Ivv (1)........................ : A\pcW\w2. ]pImefnNnetKm{Xhmi{XphcpXvhfscAIen\npXs a\nemn, AXn\pth {IaoIcW sNbvXncpp.a) i{XpfpsS hchv apIqn a\nemm Ah GXv am[yaneqsSbmWv{ihnnpmhpI? (1)b) Cs\ sNpXnse imkv{XobX Fv? (1)c) _lncmImi bm{XnIbmb kp\nXm hneywkv_lncmImivkcnptmAhnsSbpXskl{]hItcmSv kwkmcnpXn\v tdUntbmXcwKsfbmWv D]tbmKsSppXv. CXn\p imkv{Xob hniZoIcWwFgpXpI. (1)3. Hbms\ Isn, hniZoIcWw IqSn FgpXpI. (2)(5Hz,25Hz,250 Hz,2500Hz)4. kap{Zns Bgw Afm tkmWm F D]IcWw D]tbmKnpp.a) ChnsS D]tbmKnp i_vZXcwKtaXv? (1)b) Cu XcwKns ap cv D]tbmK FgpXpI. (2)5. kp\n Hcp taibn ]Xpsbpw inbmbpw sImn i_vZw {ihnpp.a) cv k`fnepw i_vZns Bhrnbn hyXymkaptm?Dcn\v km[qIcWw \IpI. (2)b) cv k`nepw DXbn hyXymkaptm?\nfpsS Dcn\v hniZoIcWw FgpXpI. (2)c) taibvp]Icambn Inen CtX coXnbn sImnbm DXbn hyXymkapmIptam? ImcWw hyampI (2)7/96. ]mfm, Xqp]meneqsS amv sNbvXv t]mImdn.a) Xqp]meneqsS\Sptm]mewI\wsNp{]Xn`mkn\v]dbp t]scv? (1)b) Xqp]meneqsS amv sNmXn\v ImcWsav? (1)c) Cu {]Xn`mkw A\p`hsSp asmcp k`w FgpXpI. (1)7. tdUntbmbneqsS kn\nam \SmcpsS UbtemKv klnXap ]cky tIm\nv B\SmscXncndnbmkm[npXv i_v ZnsGXpkhntijXbmWv? (1)8. kp\man DmIpXn\vapss AXns kqN\ Nne PohnIva\nemmIgnbmdpv.a) kp\manv aps DmIp i_vZXcwKw GXv? (1)b) CXv a\pjy\v tIm Ignbpn. FpsImv? (1)c) Ccw i_vZw tIm Ignbp cv PohnIv DZmlcWw \IpI(2)9.Nn{Xn hyXykv X Bhrnbnep SyqWnwKvt^mpIfmWv\InbnpXv .?a) Ch DtPnnptm DmIp i_vZw Hcpt]msebmbncnptam? Dcwkm[qIcnpI (2)b) Chbn DtPnnptm _opmIm km[yXbp SyqWnwKvt^mpI GsXmssbsgpXpI (1)c) Chbn 292Hz Bhrnbp cvSyqWnwKvt^mpI DtPnnptmDmIp i_v Zns DX Hcpt]msebmbncnptam? Dcw km[qIcnpI(2)8/910. HtchapXpw\ofwhyXymkapXpamb2sNpInIHcptaitahenpsInbnpv.a) cv InIfpw DtPnnm hyXykvX i_vZw tIm ImcWsav?(1)b) \ofhpw hhpw Hcpt]msebp cv sNv InIfmWv ChnsSD]tbmKnsXn Ah DtPnnm hyXykvX i_vZw tIphm Fv{IaoIcWw AhnsS sNWw? (1)c) Cs\ sNptm i_vZw hyXymksSm ImcWsav? (2)11. Bip]{Xn,kv Iq]cnkcFnhnSfntlmapgcpXv FvkqNnnp ssk t_mUv ImWmdpv.a) Cu ssk t_mUv sImv Fns\ \nb{nm\mWv DtinpXv? (1)b) CXn\p 2]cnlmcam \ntinpI (2)12. Hcp sdbnth {Smn Nne sXmgnemfnI ]WnsbSpppv . AhcpsS ASp\npw 3400m AIse {Smn Hcp i_vZw Dmbn.a) Fn Dmb i_vZw hmbphneqsSF{X skpIptijamWv AhvtIm IgnbpI. (2)b) CtX i_vZw {Smn sNhnshv tIpIbmsWn F{X skpIvtijambncnpw tIpI? (2)(kqN\ : hmbphnse i_vZ{]thKw 340m/sDcpnse i_vZ{]thKw 5960m/s13. kn \n amXn bdn Fmt]p wi_v Zwhyambn tItXvAXymhiyamWtm.a) CXv \Smm XntbdpIfn \Sp 2 {IaoIcW FgpXpI. (2)b) CXns\pdnv {]Xn]mZnp imkv{XimJbpsS t]scgpXpI (1)14. mkvdqan \nv Hcp i_vZapmnb Ipn AXns {]Xn[z\n tIpn FvA`n{]mbsp.a) {]Xn[z\n FXpsImv AampXv Fv? (1)b) i_v Zns {]Xn[z\n A\p`hsSWsan {]Xn]X\Xew NpcpnbXvF{XAIenembncnWw? (1)c) {]Xn[z\n A\p`hsSp 2 k` FgpXpI. (2)9/915. Bcmhbhsfpdnv ]TnpXn\p]tbmKnpi_v ZXcwKXmsg]dbphbn GXmWv? (1)(C{^mtkmWnIv, kqtkmWnIv, A{SmtkmWnIv)16. tNcpw]Sn tNpI. (2)Db {ipXn Xmdmhns i_vZw {S_v Xmgv {ipXn NohoSns i_vZw t_kv17. sNhnv thZ\bpmImXncnm i_vZns DX F{XbmhWw? (1)18. XmsgsImSpnp{]kv Xmh\IsfC{^mtkmWnIv ,A{SmtkmWnIvXcwKfpambn _sh ]nIsSppI. (4)a) \mbvv, tUm^n\pIv Fmw Ccw i_vZ tImkm[npp.b) XnanwKev Ccw i_vZ tIm km[npw.c) lrZbns Nn{XsaSpm D]tbmKnpp.d) iamb `qanIpepn\v apv Ccw i_vZw DmImdpv.***