· Itf@t[f 15. n~qf v@qy AHkqf p`r`V ... y`lf uqfq vr`@ckQmf, y k`@dmdfd vr`@c, l/kkf kl@vkqf...
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Transcript of · Itf@t[f 15. n~qf v@qy AHkqf p`r`V ... y`lf uqfq vr`@ckQmf, y k`@dmdfd vr`@c, l/kkf kl@vkqf...
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SSLC – HALF YEARLY EXAMINATION – 2012 – 2013 p`r`V – I
01. c/rflsf d/rfv`[f 06. Oq`cfc`tblf 11. my`lfc/m` a]f]T@r
02. k/c>n/yf 07. 11 12. 50 J
03. @mkf>r/@plf 08. 5 13. 3 x 10 8 m / s
04. etft[/lf 09. N@rm`tpfP M@b 14. 16.66 <c.m~.
05. <pdf>r/l`ymf 10. Itf@t[f 15. n~qf v@qy AHkqf
p`r`V – II
16. a) j~[f A) alfl~lfkqf
17. (i) BCG – k/c>n/yf tDpfP=c`
(ii) DPT – <t/]f@d a@dpfp/[f, kkfKv/[f iRmlf, <ddfd/[sf MtftDpfP Uc`
(iii) MMR – Pdfd/lmf@m, m~clfsf, S<plfl/
(iv) TT – <ddfd/[sf d/kfs/yfD
18. (a) Alfp/kf kt`rfkqf KQ>k/k/@[Ymf, p~dfd/ <clfkqf i[fCl`@[Ymf ubfptft` <cyfk`[fb[.
(A) a]fdkmf Mdf@dk@qYmf, v`nftkmf A[fdf>r/j@[Ymf ubfptft` <cyfk`[fb[.
19. 20. 1. ovf<v/R c`bfb`[tft`[f K>r/>m/>c/mf e]f]`kf@k n`@l
n`BtftpfpDvtbfk/k obf@b @my i[cf<clfkqf
uRv/kfkpfpDk`[fb[.
2. KBkf>k kltftlf >cyfkq`[f mrPkf$Bkq`[f >vBp/Dkqf
>t/[fBt@l EbfpDtfTk`bT.
3. ivf>vBp/Dkqf pr`]/mtft`bfK 'lpf<p/Rqfkq/k a@mk`[fb[.
21. (a) p`@r>y/Fp`lmf (A) aRmfPtlf (alflT) <m/dfDv`Dtlf
22. (a) t`m`gfk`lmf: pl~[f tkDkqff; <vqv/lf: M[f@kkqf ibkf@k a@mpfp/k m/b`YqfqT.
(A) y/@[y`[f tnftgfkgfkqf <vdfDmf pbfkq/k m/b`Yqfq[. a>t >p/[fB Mqfqmf p[fb`y`[f
u>r/mgfkqf $rf@my/[ Mdfkq/k m/bfbm@dnfTqfq[.
23. (i) m[`t cr/cr` udlf <vpfpn`@l – 98.4 F – 98.6 F
(ii) irtft Czbfc` – v`lfl`ymf h/rfv`
(iii) irtft <vqf@qy}kfkqf – m`Y=kf>k/@cdfDkqf
(iv) t`r/mf>p/@cdfDkqf – irtftmf u@btlf
24. oR c`bfb`[tf@tcf c/rfnft KdfH@y mbf<b/R c`bfb`[tf@tcf c/rfnft <pbf>b/rf pr/mr`tft@l KBkfK
pr/mr`tftlf alflT k`r/sf p/sfdr`gf e[fB a@zkfk`>b/mf.
25. 1. oq`tf t`@ccf c/rfP iykfkmf. 2. IrfpfPtf t`@ccf c/rfP iykfkmf
3. n~rftf t`@ccf c/rfP iykfkmf 4. >vt`tf t`@ccf c/rfP iykfkmf
26. 1. t/vrgfkqf mbfBmf v`lgfKkqf Cv/c`kfKmf >p/T k/rfp[f @d Akf@c@d <vq`y`Dk`[fb[. iT
vq`m]fdltft`bfKcf <clfk`bT.
2. t/vrgfkqf t[kfK >v]fHy u]@v oq`cf>crfkf@k 'lmf ty/r`kfKmf >p/T vq`m]fdltft`l`RnfT
k/rfp[f @d Akf@c@d <pbfBkf<k/qfk`[fb[.
27. tvB. #r`ykf kt`rf v~cfC, k/bfB, @hdfrj[f mbfBmf n~r`[f 'lmf m`[fc/rmf Ak`y@v e[fB>m t~rfnfT
v`d/t k`@dkfkkf $Hy Abfblf vqgfkq/Kmf.
iybf@k vqgfkqf e[fpT PTpfp`kfktftkfk vqgfkqf. Ivfvqgfkqf iybf@k M@by`lf m[`t[f
NkRmf >vktf@tv`d PTpfp`kfktftkfkt/k iRkfKmf.
28. kz`Vpf <p/Rqfk@q N]f}y`r`kqf, P=wf@ckqf mbfBmf avbfb`[f <n/t`k@qpf py[fpDtft` Ctft`kr`kfKmf
M@bkfK uy`r`y t~rfV e[fB <pyrf. it`lf "@ndf>r/>c/>m/[/sf Y=>r/pfp`>y" e[fb p/kfJr`y/
py[fpDtftpfpDk`bT.
29. (a) uy`r Itftrf (A) <c/b`, c`rgfK
30. p]fP U]f@mkf k@rclf $zfmkf k@rclf
k@rcl`[f t[f@m oR pHtft/[@v pl pHtft/[@v
c`tblf v`@qV oq`@ycf c`tbcf <cyfy/T oq`@ycf c`tbcf <cyfYmf
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Tkq`[f aqV 1 A ' Mtlf 10 A ' v@r 10 A ' Mtlf 2000 A ' v@r
31. k@rclf <cb`v`[f n~@b ctv~tmf = (k@r<p/Rq`[f n`@b/k@r<p/Rq`[f n`@b+k@rpfp/[`[f n`@b) x 100
= 10 / (10 + 40) x 100 = 1000 / 50 = 20%
32. a}kfkdfD e]f t[`mmf
(i) Or} 'lkf$B – h~l`ymf
(ii) I} 'lkf$B – Akfc`j[f
(iii) 'v} 'lkf$B – O>c/[f
(iv) p[fm a} 'lkf$B – clfprf
33.iRmfP A]`, t/m`r clf>pdf k@rcLd[f v`@[Pr`nfT t/m`rtf@t idpf<pyrfcfc` a@dycf <cyfk`bT.
ivfv/B idpf<pyrfcfc` a@dnft t/m`rmf iRMfp`[f m~T pHnfT pZpfP n`bm/k m/Bk`bT. inft
v`@[y`l`RnfT t/m`rmf iRmf@p v`d at`k v`@[tft`b[f m`kfkT e[fp@t ab`yl/mf.
Fe + CuSO4 FeSO4 + Cu
34. (a) v`[`krf (A) irtftmf, cl@v >c/d/, v~dfD u>y/kpf<p/Rdfkqf
35. (a) uBt`pfpDtfttlf, k/r]mf ir]fDmf cr`.
(A) nv~[ t[`m vr`@c adfdv@]y`lf uqfq vr`@ckQmf, <t/Kt`kQmf M@b>y k`@dmdfd vr`@c,
<cgfKtfT vr`@c AKmf.
36. aLm`[`ytft`[f u>l/kkf kl@vkqf i>lc/[@v. vl`@my/[@v. ar`pf@ptf tDpfp@v. e[>v,
aLm`[`ytft`[f u>l/kkf kl@v v/{/rft`y`[f p/kgfk@qtf ty/r`kfkpf py[fpDk`[fb[.
37. (a) >crfmmf A = ac`dfHkf am`lmf, >crfmmf B = etft`lf ac`df>ddf
(A) esfdr/tlf v`@[
(i) CH3COOH + C2H5OH CH3COOC2H5 + H2O
38. iT (n`@b) v`lf tr/C <k/]fD aqkfkpfpDk`bT.
39. (a) oR n`Y=dfd[f v`@c e[fpT 1 k`>l/k`r/mf n`@bYqfq oR
<p/Rq`[f m~T1 ms-2 MDkfktf@t EbfpDtfTmf v`@cy`[f aq@vkf
Kb`kfKmf.
(A) v`@cYmf, et`rf v`@[Ymf epf>p/Tmf iR >vBpdfd
<p/Rqfkq`[f m~T <cylfpDk`bT.
41. >nrf m`[fv/yf k/r~y am`l >cmkfkl[f t/m`rmf
et`rf m`[fv/yf <lkfl/wfc` m`[fkl[f Ttftn/kmf
42. m`[f[Ztft >vBp/D V = 20 v
m`[ft@d R = 4 Omf
k/lmf t = 1 s
Omf v`t`pfpH I = V / R
= 20 / 4 I = 5 A
u]fd/kfkpfpdfd <vpfpv~tmf H = I2RT
= 52 x 4 x 1 = 25 x 4 H = 100 J
43. (a) k/nftpfPlmf e]fmt`pfPmf, t`@cYmf <k/]fd aqv/Kmf.
(A) k/nftv`@ckf>k/Dkqf vdM@[y`lf <t/dgfk` <t[fM@[y`lf MHYmf.
44. (a) k`dfdpfp/rf@v
(A) Kz`<l[fC
45. (a) <pr`y aqv`l/[ oq`v`lkl/lf v`]fm~[fkqf
m`[f{vT >p/lf >t/[fBk`[fb[.
(A) a e[ Kb`pfp`dpfpdfDqfq k/nft Uc`,
k/nftpfPltft`[f t`@c@ycf cr`y/kkf k/dfDk`bT.
S. RAVIKUMAR, B.T. Asst., GOVERNMENT HIGH SCHOOL, ARANGALDHURGAM – 635811 Ph: 9994453649
