· 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

· 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...