c of 11. · PDF file5) bjhiyf;fhl;rpapy; kiwg;g[j; ... of 11. 1) 2.5 ev Mw;wy; bfhz;l...

1) b$u;khdpaj;jpd; tpyf;fg;gl;l nilbtspapd; Mw;wy; mst[ 0.7eV

2) ABC vd;w gypad; rkd;ghl;od; vspikahf;fk; A+B+C

3) miyapaw;wpf;fhd epge;jid A=1/βββββ

4) cau; mjpu;btz; miyfs; gpd;gw;WtJ madp kz;lyg; gutiymadp kz;lyg; gutiymadp kz;lyg; gutiymadp kz;lyg; gutiymadp kz;lyg; gutiy

5) bjhiyf;fhl;rpapy; kiwg;g[j; Jog;g[ mspf;fg;gLtJ fl;Lg;gLj;Jk; fpupLf;Ffl;Lg;gLj;Jk; fpupLf;Ffl;Lg;gLj;Jk; fpupLf;Ffl;Lg;gLj;Jk; fpupLf;Ffl;Lg;gLj;Jk; fpupLf;F

6) i#l;u$d; mZtpy; Kd;whtJ Bghu; ghijapd; Muk; r vdpy; ng;ghijapy;vyf;l;uhdpd; ogpuhypmiyePsk; 2πr/3

7) ve;jj; Jfs; gupkhw;wk; bjhlu;e;J eilbgWtjhy; mZf;fU tpir Bjhd;WfpwJkPrhd;fs;kPrhd;fs;kPrhd;fs;kPrhd;fs;kPrhd;fs;

8) 7N14 + On1 ----> X + 1H

1 mZf;fU tpidapy; jdpkk; X vd;gJ 6C14

9) fjpupaf;fj; jdpkk; xd;W bjhlf;f mstpy; 1/e klA;fhff; FiwavLj;Jf;bfhs;Sk; fhyk; ruhrup Ma[l;fhyk;ruhrup Ma[l;fhyk;ruhrup Ma[l;fhyk;ruhrup Ma[l;fhyk;ruhrup Ma[l;fhyk;

10) fPH;f;fhZk; Jfs;fspy; vJ byg;lhd; MFk; vyf;l;uhd;vyf;l;uhd;vyf;l;uhd;vyf;l;uhd;vyf;l;uhd;11) \gp jz;oy; cs;s FBuhkpa madpfs; gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;

12) Brhoa Mtp tpsf;F ckpGk; D1,D2 tupfspd; miyePsk; 589.6nm,589nm

13) xU Typl;$ FHhapypUe;J cw;gj;jpahFk; X -fjpupd; rpWk miyePsk; 0.62A vdpy;bray;gL kpd;dGj;jk; 20 kV

14) miy vz; vd;gJ xU kPl;lu; J]uj;jpy; cs;s miyfspd; vz;zpf;ifxU kPl;lu; J]uj;jpy; cs;s miyfspd; vz;zpf;ifxU kPl;lu; J]uj;jpy; cs;s miyfspd; vz;zpf;ifxU kPl;lu; J]uj;jpy; cs;s miyfspd; vz;zpf;ifxU kPl;lu; J]uj;jpy; cs;s miyfspd; vz;zpf;if

15) xspapd; mjpu;btz; gad;bjhlf;f mjpu;btz;zpw;Fr; rkkhf nUf;Fk;BghJepWj;J kpd;dGj;jj;jpd; kjpg;g[ RHpRHpRHpRHpRHp

16) xU RHw;rpapy; gad;gLj;jg;gLk; Xu; a.c kpd;Rw;wpd; ruhrup jpwd; vd;gJErms Irms cos φ

17) kpd;fhe;j miyfs; nUg;gij Ma;tpd; Kyk; cWjp bra;jtu; b#u;l;^;b#u;l;^;b#u;l;^;b#u;l;^;b#u;l;^;

18) epal;ld; tisaj; bjhFjpapy; fz;zhoj; jl;Lf;Fk; jl;lf; Ftpbyd;Rf;Fk;nilapy; xU Jsp ePu; itf;fg;gl;lhy; tisaj; bjhFjp RUA;Fk;RUA;Fk;RUA;Fk;RUA;Fk;RUA;Fk;

19) Xu; xspf;fw;iw fz;zhoj; jsj;jpy; jstpist[f; Bfhzkhfpa 57.50

gLBfhzj;jpy; tpGk;BghJ, gL fjpUf;Fk;, vjpbuhspg;g[f; fjpUf;Fk; nilBacs;s Bfhzk; 1150

20 jstpist[wh xsp xU Lu;kiyd; gofj;jpd; tHpBa bry;fpwJ. gofj;jpypUe;Jbtspg;gLk; fjpu; xU gFg;ghd; tHpBa brYj;jg;gLfpwJ. gFg;ghid 900

RHw;Wk; BghJ, xspapd; brwpt[ bgUkj;jpw;Fk; RHpf;Fk; nilBa BtWgLfpwJbgUkj;jpw;Fk; RHpf;Fk; nilBa BtWgLfpwJbgUkj;jpw;Fk; RHpf;Fk; nilBa BtWgLfpwJbgUkj;jpw;Fk; RHpf;Fk; nilBa BtWgLfpwJbgUkj;jpw;Fk; RHpf;Fk; nilBa BtWgLfpwJ

21) Bld;$d;l; fhy;tdhkPl;lupd; RUf;ff; Tw;bwz;zpd; myF Mk;gpau;Mk;gpau;Mk;gpau;Mk;gpau;Mk;gpau;22) xU fhy;tdhkPl;liu Bthy;l; kPl;luhf khw;w cau;kpd;jilia bjhlupizg;gpy;cau;kpd;jilia bjhlupizg;gpy;cau;kpd;jilia bjhlupizg;gpy;cau;kpd;jilia bjhlupizg;gpy;cau;kpd;jilia bjhlupizg;gpy;

nizf;f Btz;Lk;nizf;f Btz;Lk;nizf;f Btz;Lk;nizf;f Btz;Lk;nizf;f Btz;Lk;23) kpd;fhe;j J]z;ly; gad;gLj;jg;glhjJ miw RBlw;wpmiw RBlw;wpmiw RBlw;wpmiw RBlw;wpmiw RBlw;wp

24) gug;g[ btf;lu; A f;Fk; mjd; rkjsk; Af;Fk; nilBaa[s;s Bfhzk; π/2π/2π/2π/2π/225) xU fk;gpr; RUSld; bjhlu;g[ila fhe;jg; ghak; khWk; tPjk; 1 btgu;/epkplk;

vdpy; J]z;lg;gLk; kpd;dpaf;F tpir (e.m.f) 1 / 60 V

26) kpd;g[yg; ghaj;jpd; myF Nm2C-1

27) rPuhd kpd;g[yj;jpy;, g[yj;jpw;F nizahf, kpd; nUKid xd;wpid, mjd; mr;Rmika[khW itj;jhy;, mJ czu;tJ tpist[ tpira[k; my;y, jpUg;g[ tpira[k;tpist[ tpira[k; my;y, jpUg;g[ tpira[k;tpist[ tpira[k; my;y, jpUg;g[ tpira[k;tpist[ tpira[k; my;y, jpUg;g[ tpira[k;tpist[ tpira[k; my;y, jpUg;g[ tpira[k;my;ymy;ymy;ymy;ymy;y

28) kpd;g[yj;jpy; cs;s xU g[s;spapypUe;J kw;bwhd;wpw;F 4 µc kpd;D]l;lj;ijvLj;Jr; bry;y bra;ag;gLk; Btiy 0.012 J vdpy; mg;g[s;spfSf;F nilBaahdkpd;dGj;j BtWghL 3000V

29) xt;bthd;Wk; kpd;D]l;l mlu;j;jp σσσσσ bfhz;l nU Btwpd kpd;D]l;lk; bgw;wcByhfj; jfLfSf;F btspBa cs;s g[s;spapy; kpd;g[yk; RHpRHpRHpRHpRHp

30) 10 br.kP ePsk; bfhz;l cByhff; fk;gpapd; kpd;jil 2Ω nJ 50 br.kP ePsKilafk;gpahf rPuhf ePl;lg;gLfpwJ vdpy;, kpd;jilapd; kjpg;g[ 50 Ω50 Ω50 Ω50 Ω50 Ω

12th PHYSICS PUBLIC ONE MARK QUESTION ANSWERS MARCH - 2006

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S. ƒ]¸ z\VÏ, M.Sc., B.Ed., M.Phil., x.Ô gEˆBÏ, ∂.x. ∂.º\.W.√^π - ]Ú¬zkÁ·.

www.kalvisolai.com1 of 11.

1) 2.5 ev Mw;wy; bfhz;l nuz;L @Bghl;lhd;fs; xBu rkaj;jpy; cByhfj;jpd;kPJ gLfpd;wd. cByhfj;jpd; btspBaw;W Mw;wy; 4.5 eV vdpy;, cByhfj;jpd;gug;gpypUe;J nuz;L vyf;l;uhd;fs; ckpHg;gLk;nuz;L vyf;l;uhd;fs; ckpHg;gLk;nuz;L vyf;l;uhd;fs; ckpHg;gLk;nuz;L vyf;l;uhd;fs; ckpHg;gLk;nuz;L vyf;l;uhd;fs; ckpHg;gLk;

2) 1 amuf;F rkkhd kjpg;g[ 1.66x10-27 fp.fp. fp.fp. fp.fp. fp.fp. fp.fp.3) fjpupaf;fj; jdpkk; xd;W bjhlf;f mstpy; nUe;jijg; Bghd;W e - 1/2 klA;fhff;

Fiwtjw;F vLj;Jf;bfhs;Sk; fhyk;, mjd; ruhrup Ma[l;fhyk; / 2ruhrup Ma[l;fhyk; / 2ruhrup Ma[l;fhyk; / 2ruhrup Ma[l;fhyk; / 2ruhrup Ma[l;fhyk; / 24) tptrhaj;jpy; gad;gLj;jg;gLk; fjpupaf;f IBrhBlhg;g[ 15 P 32

6) xU LCR bjhlu; khWjpir kpd;Bdhl;lr; Rw;wpy; kpd;Bdhl;lj;jpw;Fk;,k pd ;dGj;jj ;j pw ;Fk ; nilBacs;s fl ;l BtWghL 30° mtw ;w pd ;bjhFgad; kpd;kWg;g[ 17.32 ΩΩΩΩΩ kpd;jilapd; kjpg;g[ 30 30 30 30 30 ΩΩΩΩΩ

7) kpd;fhe;j miyfs;, kpd;g[yk; E kw;Wk; fhe;jg[yk; B-f;F nilBa cs;s fl;lBtWghL RHpahFk;RHpahFk;RHpahFk;RHpahFk;RHpahFk;

8) btw;wplj;jpy; kpd;fhe;j miyfspd; jpirBtfkhdJ 1 / √µοεο

9) xU rkjs tpspk;g[ tpist[ fPw;wzpapy;, fPw;wzp Kyj;jpd; myF kPl;lu;kPl;lu;kPl;lu;kPl;lu;kPl;lu;10) xU xspf;fjpu;, fz;zhoj;jl;od; kPJ mjd; jstpist[f; Bfhzj;jpy; tpGfpwJ,

gLfjpUf;Fk; vjpbuhspg;g[ fjpUf;Fk; nilg;gl;l Bfhzk; 1150

11) fPH;f;fz;l mst[fSs; ^;Bfyhu; mst[ kpd;dGj;jk;kpd;dGj;jk;kpd;dGj;jk;kpd;dGj;jk;kpd;dGj;jk;12) r Puhd kpd;g [yj ;jpy ; itf;fg ;gl ;Ls;s xU kpd; nUKid P kw;Wk;

nilBaahd ve;j Bfhzj;jpw;F bgUk jpUg;g[ tpiriag; bgWk; 900

13) xt;bthd;Wk; 2µc kjpg;g[ bfhz;l nU rkkhd g[s;sp vjpu; kpd;D]l;lA;fs;fhw;wpy; 1kP bjhiytpy; gpupj;J itf;fg;gl;Ls;sd. ne;j mikg;gpd; kpd;dGj;jMw;wyhdJ 0.36J

14) kpd;D]l;lk; bgw;Ws;s cs;sPlw;w cByhf Bfhs tot TL xd;W, RHp kpd;g[yj;ijvg;g[s;spapy; Bjhw;Wtpf;fpwJ Bfhsj;jpd; cl;g[wk;Bfhsj;jpd; cl;g[wk;Bfhsj;jpd; cl;g[wk;Bfhsj;jpd; cl;g[wk;Bfhsj;jpd; cl;g[wk;

15) xU fhu;gd; jilahf;fpapd; kPJ Fwpf;fg;gl;Ls;s epwf; FwpaPlhdJ rptg;g[ -rptg;g[ fUik me;j fhu;gd; jilahf;fpapd; kpd;jil 22 Xk;22 Xk;22 Xk;22 Xk;22 Xk;

16) rpypf;fhd; PN re;jp ilBahod; kpd;dGj;j muz; Vwj;jhH 0.7v

17) xsp ckpH;t[ lBahoy;; (LED) ckpHg;gLk; xspapd; epwk; vjidr; rhu;e;jJFiwf;flj;jp bghUspd; tifFiwf;flj;jp bghUspd; tifFiwf;flj;jp bghUspd; tifFiwf;flj;jp bghUspd; tifFiwf;flj;jp bghUspd; tif

18) NAND Bfl;od; bray;ghl;ow;fhd gypad; rkd;ghL Y=AB

19) cau; mjpu;btz; miyfs; gpd;gw;WtJ madp kz;lyg; gutiymadp kz;lyg; gutiymadp kz;lyg; gutiymadp kz;lyg; gutiymadp kz;lyg; gutiy20) xU fyf;fpg; gpupf;Fk; AM Vw;gpapy;, cs;spl miyapaw;wpapd; mjpu;btz;

1.245 MHz, nirt[ bra;ag;gl;l epiya mjpu;btz; 790 kHz

21) i#l;u$d; mZtpy; Kjy; ghijapy; vyf;l;uhdpd; Mw;wy; -13.6eV mjd;epiyahw;wy; -27.2eV

22) i#l;u$d; mZtpy; gpd;tUk; bgau;t[fspy; vjpy; bgUk mjpu;btz; Bjhd;Wk; 5----->1

23) X-fjpu; FHhapy; btspg;gLk; X-fjpu;fspd; brwptpid vt;thW mjpfupf;fyhk;kpd;dpiHapd; kpd;Bdhl;lj;jpid mjpfupg;gjd; Kyk;kpd;dpiHapd; kpd;Bdhl;lj;jpid mjpfupg;gjd; Kyk;kpd;dpiHapd; kpd;Bdhl;lj;jpid mjpfupg;gjd; Kyk;kpd;dpiHapd; kpd;Bdhl;lj;jpid mjpfupg;gjd; Kyk;kpd;dpiHapd; kpd;Bdhl;lj;jpid mjpfupg;gjd; Kyk;

24) \gp jz;oy; cs;s FBuhkpa madpfs; gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;25) rhu;gpaypd;go, naf;fj;jpYs;s jz;od; ePsk; epiyahf cs;sBghJ nUe;jepiyahf cs;sBghJ nUe;jepiyahf cs;sBghJ nUe;jepiyahf cs;sBghJ nUe;jepiyahf cs;sBghJ nUe;j

ePsj;ijtpl Fiwthf mika[k;ePsj;ijtpl Fiwthf mika[k;ePsj;ijtpl Fiwthf mika[k;ePsj;ijtpl Fiwthf mika[k;ePsj;ijtpl Fiwthf mika[k;26) RBlw;Wk; niHahf epf;Buhk; gad;gLj;j fhuzk; mJ mjpf kpd;jilvz;bfhz;lJmjpf kpd;jilvz;bfhz;lJmjpf kpd;jilvz;bfhz;lJmjpf kpd;jilvz;bfhz;lJmjpf kpd;jilvz;bfhz;lJ

27) gpd;tUk; rhjdA;fspy; xd;wpd; kpd;jil kpff; Fiwt[ 0-10A mk;kPl;lu; mk;kPl;lu; mk;kPl;lu; mk;kPl;lu; mk;kPl;lu;28) xU fk;gpr; RUspy; gha[k; kpd;Bdhl;lk; 2 Mk;gpaupypUe;J 6 Mk;gpaUf;F 0.5

tpdho Beuj;jpy; khWk; bghGJ, J]z;lg;gLk; kpd;dpaf;F tpir 12 v, vdpy;,fk;gpr;RUspd; jd; kpd; J]z;ly; vz; 1.5H

29) kpd;J]z;o kl;LBk cila Ac Rw;wpy; kpd;Bdhl;lk; kpd;dGj;jj;ij tplkpd;Bdhl;lk; kpd;dGj;jj;ij tplkpd;Bdhl;lk; kpd;dGj;jj;ij tplkpd;Bdhl;lk; kpd;dGj;jj;ij tplkpd;Bdhl;lk; kpd;dGj;jj;ij tplπ/π/π/π/π/22222 fl;l mstpy; gpd;jA;fp nUf;Fk;. fl;l mstpy; gpd;jA;fp nUf;Fk;. fl;l mstpy; gpd;jA;fp nUf;Fk;. fl;l mstpy; gpd;jA;fp nUf;Fk;. fl;l mstpy; gpd;jA;fp nUf;Fk;.

30) b#d;wp vd;w myfpid ng;goa[k; vGjyhk; ΩΩΩΩΩS

12th PHYSICS PUBLIC ONE MARK QUESTION ANSWERS JUNE - 2006

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22222



1) xU btg;g kpd;dpul;ilapy; Fspu;re;jpapd; btg;gepiy 200 C g[ul;L btg;gepiy6000 C vdpy;, jpUg;g[ btg;gepiyahdJ 3100C

2) Blq;rd;l; fhy;tdhkPl;lu; xd;wpy; 1A kpd;Bdhl;lk; 300 tpyf;fj;ijVw;gLj;JfpwJ. 600 tpyf;fj;ij Vw;gLj;jj; Bjitahd kpd;Bdhl;lk; 3A

3) kpd;dpaw;wp tpjp vdg;gLtJ @gpbskpA; tyJ if tpjp@gpbskpA; tyJ if tpjp@gpbskpA; tyJ if tpjp@gpbskpA; tyJ if tpjp@gpbskpA; tyJ if tpjp

4) kpd; mDg;gPl;Lf; fk;gpfspy; Vw;gLk; jpwd; nHg;g[ vg;bghGJ Fiwthf nUf;Fk;kpd;dGj;jk; mjpfkhft[k; kpd;Bdhl;lk; Fiwthft[k; cs;sBghJkpd;dGj;jk; mjpfkhft[k; kpd;Bdhl;lk; Fiwthft[k; cs;sBghJkpd;dGj;jk; mjpfkhft[k; kpd;Bdhl;lk; Fiwthft[k; cs;sBghJkpd;dGj;jk; mjpfkhft[k; kpd;Bdhl;lk; Fiwthft[k; cs;sBghJkpd;dGj;jk; mjpfkhft[k; kpd;Bdhl;lk; Fiwthft[k; cs;sBghJ

5) a.c kpd;Rw;W xd;wpy; I=Iosin(wt-πππππ/2) vd;w kpd;Bdhl;lkhdJ e=Eosin(wt+π/2)vd;w kpd;dpaf;F tpiria tpl ve;j fl;l mstpy; gpd;jA;fp cs;sJ πππππ

6) rhku;bgy;L mZ khjpupapy; bfhLf;fg;gl;l n kjpg;gpw;F L bgWk; kjpg;g[fspd;vz;zpf;if n----> 1

7) i#l;u$d; mZtpw;fhd Kjy; Kd;W Bghu; Rw;Wg;ghijfs; cs;slf;fpgug;g[fspd; jft[ 1:4:9

8) i#l;u$d; mZtpy; gpd;tUk; bgau;t[fspy; vjpy; bgUk miyePsk; bfhz;lepwkhiy tup Bjhd;Wk; 2----->1

9) B#hByhfpuhgp Kiwapy; gpd;tUtdtw;Ws; vit g[ifg;glr;RUspy; gjpf;fg;gLk;fl;lepiy kw;Wk; tPr;Rfl;lepiy kw;Wk; tPr;Rfl;lepiy kw;Wk; tPr;Rfl;lepiy kw;Wk; tPr;Rfl;lepiy kw;Wk; tPr;R

10) gad; bjhlf;f mjpu;btz;zpy; xsp vyf;l;uhd;fspd; jpirBtfk; RHpRHpRHpRHpRHp

11) rpypf;fhdpd; tpyf;fg;gl;l nilbtspapd; Mw;wy; mst[ 1.1 eV

12) xU fl;l CE bgUf;fpapd; eLj;ju mjpu;btz;zpy; kpd;dGj;jg; bgUf;fk; 10.cau;btl;L mjpu;btz;apy; kpd;dGj;jg; bgUf;fk; 7.077.077.077.077.07

13) bfhLf;fg;gl;l mikg;gpd; yh$pf; bray;ghl;Lf;Fupa AND Bfl;

14) BuoBah miyfs; madpahf;fg;gl;l gFjpa[ld; btt;BtW nlA;fspy; tpyfy;mile;J g[tpia mila[k;BghJ vt;thW miHf;fg;gLfpwJ thd; miythd; miythd; miythd; miythd; miy

15) xsp niHfs; tHpahf xspr;iriffis mDg;gg; gad;gLk; jj;Jtk;KG mf vjpbuhspg;g[KG mf vjpbuhspg;g[KG mf vjpbuhspg;g[KG mf vjpbuhspg;g[KG mf vjpbuhspg;g[

16) kpd;g[yr; brwptpd; myF Vm-1

17) a gf;fk; bfhz;l rJuj;jpd; ehd;F Kiyfs; A,B,C kw;Wk; Df;fspy; KiwBakpd;D]l;lA;fs; +q,-q,+q kw;Wk; -q itf;fg;gl;Ls;sd. rJuj;jpd; ikak; O tpy;kpd;dGj;jkhdJ RHpRHpRHpRHpRHp

18) btw;wplj;jpd; tpLjpwd; kjpg;g[ 1/4π 1/4π 1/4π 1/4π 1/4π X 9 X 109 C2N-1M-2

19) kpd;dy; flj;jpfspy; gad;gLj;jg;gLk; jj;Jtk; xsptl;l kpd;dpwf;fk;xsptl;l kpd;dpwf;fk;xsptl;l kpd;dpwf;fk;xsptl;l kpd;dpwf;fk;xsptl;l kpd;dpwf;fk;

20) jhkpuf;fk;gpbahd;wpd; kpd;jil R mjd; ePsk; nUklA;fhf;fg;gLk; BghJkpd;jil vz; khWglhJkhWglhJkhWglhJkhWglhJkhWglhJ

21) Vw;W kpd;khw;wpapd; cs;sPL kpd;dGj;jk; 22V kw;W; btspaPL kpd;dgj;jk; 11kVvdpy;, Kjd;ik kw;Wk; Jizr; RUs;fspy; cs;s Rw;Wfspd; jft[ 50:1

22) fPH;f;fz;ltw;Ws; vJ kpd;fhe;j miy ny;iy fhkh fjpu;fs;fhkh fjpu;fs;fhkh fjpu;fs;fhkh fjpu;fs;fhkh fjpu;fs;

23) C vd;gJ btw;wplj;jpy; xspapd; jpirBtfk; vdpy;, xsptpyfy; vz; µ kjpg;g[ilaClfj;jpd; xspapd; jpirBtfk; C / µ

24) mlu;t[ kpF Clfj;jpypUe;J mlu;t[ Fiw Clfj;jpDs; Xu; xspf;fw;iwbry;Yk;BghJ 45 gLBfhzj;jpy; tpyF fjpu; ClA;fis gpupf;Fk; jsj;jpd;tHpBa bry;fpwJ. mlu;kpF Clfj;jpy; xsp tpyfy; vz; 1 / 1 / 1 / 1 / 1 / √2√2√2√2√2

25) fPH;fz;ltw;Ws; Xur;R gofk; vJ Fthu;l;^;Fthu;l;^;Fthu;l;^;Fthu;l;^;Fthu;l;^;

26) rpwg;g[ rhu;gpay; bfhs;ifapd;go midj;J Fwpg;ghaA;fspYk; khwpypahf nUg;gJxspapd; jpirBtfk;xspapd; jpirBtfk;xspapd; jpirBtfk;xspapd; jpirBtfk;xspapd; jpirBtfk;

27) 1 amuf;F kjpg;g[ 1.66 x 10-27 kg

28) bgUk CLUt[k; jpwd; bfhz;lit fhkhf; fjpu;fs;fhkhf; fjpu;fs;fhkhf; fjpu;fs;fhkhf; fjpu;fs;fhkhf; fjpu;fs;

29) fPH;f;fhZk; mDf;fUtpidapy; x vd;gJ 15P30

12th PHYSICS PUBLIC ONE MARK QUESTION ANSWERS OCTOBER - 2006

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1) bgy;oau; tpist[ vd;gJ rPgf; tpistpd; kWjiyrPgf; tpistpd; kWjiyrPgf; tpistpd; kWjiyrPgf; tpistpd; kWjiyrPgf; tpistpd; kWjiy

2) kpd;Bdhl;lk; gha[k; nU brt;tf fk;gpr;RUspd; jsk; rPuhd fhe;jg;g[yj;jpw;FbrA;Fj;jhf nUf;Fk; bghJ Vw;gLk; jpUg;g[ tpir RHpRHpRHpRHpRHp

3) kpd;khw;wp braw;gLtJ Acapy; kl;Lk;apy; kl;Lk;apy; kl;Lk;apy; kl;Lk;apy; kl;Lk;

4) byd;^; tpjp Mw;wy; mHptpd;ik tpjpapd; mog;gilapyhdJMw;wy; mHptpd;ik tpjpapd; mog;gilapyhdJMw;wy; mHptpd;ik tpjpapd; mog;gilapyhdJMw;wy; mHptpd;ik tpjpapd; mog;gilapyhdJMw;wy; mHptpd;ik tpjpapd; mog;gilapyhdJ

5) Beu;flj;jpapd; jd;kpd;Jz;ly; vz; RHpRHpRHpRHpRHp

6) a,b vd;gd KiwBa ePs;tl;lj;jpd; miu bel;lr;R, miu rpw;wr;R MFk;. LRw;Wg;ghij Fthz;lk; vz; vdpy; nUf;ff;Toa ePs;tl;lg; ghijfisf; fhzcjt[k; rkd;ghL b/a = L+1/n

7) X-fjpu; vd;gJ naf;f Mw;wiy fjpu;tPr;rhf khw;Wk; epfH;r;rpnaf;f Mw;wiy fjpu;tPr;rhf khw;Wk; epfH;r;rpnaf;f Mw;wiy fjpu;tPr;rhf khw;Wk; epfH;r;rpnaf;f Mw;wiy fjpu;tPr;rhf khw;Wk; epfH;r;rpnaf;f Mw;wiy fjpu;tPr;rhf khw;Wk; epfH;r;rp

8) Bghupd; bfhs;ifapd;go Fwpg;gpl;l jdpj;jdpahd kjpg;g[fisf; TWk; mst[ Bfhz ce;jk;Bfhz ce;jk;Bfhz ce;jk;Bfhz ce;jk;Bfhz ce;jk;

9) xw;iw miyePsk; bfhz;l X - fjpu;fs; gofj;jpy; tpGfpd;wd. nuz;lhtJtupirapy; tpspk;g[ tpist[f; Bfhzk; 90 vdpy; Kjy; tupirf;Fupa Bfhzj;jpd;kjpg;g[ 300

10) rpwg;g[ rhu;gpay; bfhs;ifapd;go midj;J Fwpg;ghaA;fspYk; khwpypahf nUg;gJxspapd; jpirBtfk;xspapd; jpirBtfk;xspapd; jpirBtfk;xspapd; jpirBtfk;xspapd; jpirBtfk;

11) miyt[ xd;wpw;fhd gh;bfsrd; epge;jid β β β β β = 1/A

12) fPH;f;fhZk; kpd;Rw;wpy; kpd;jilf;F nilBaahd kpd;dGj;jk; 2.0V

13) bfhLf;fg;gl;Ls;s yh$pf; Rw;wpd; btspaPL Y-d; kjpg;g[ A+B

14) nyf;f Kiwapyhd iriffis bjhlu; iriffshf khw;wg; gad;gLtJ Bkhlk;Bkhlk;Bkhlk;Bkhlk;Bkhlk;

15) BuoBah gug;gpapy; cs;s RF miytupir cUthf;FtJ cau; mjpu;btz;cau; mjpu;btz;cau; mjpu;btz;cau; mjpu;btz;cau; mjpu;btz;Cu;jpCu;jpCu;jpCu;jpCu;jp miyfs;miyfs;miyfs;miyfs;miyfs;

16) rPuhd kpd;g[yj;jpy; g[yj;jpw;F nizahf mjd; mr;R mika[khW xU kpd;nUKid itf;fg;gl;lhy;, mJ czu;tJ bkhj;j tpira[k; kw;Wk; jpUg;g[bkhj;j tpira[k; kw;Wk; jpUg;g[bkhj;j tpira[k; kw;Wk; jpUg;g[bkhj;j tpira[k; kw;Wk; jpUg;g[bkhj;j tpira[k; kw;Wk; jpUg;g[tpir nuz;ila[k;tpir nuz;ila[k;tpir nuz;ila[k;tpir nuz;ila[k;tpir nuz;ila[k;

17) kpd; nUKidapd; jpUg;g[j;jpwdpd; myF TY]k;kPl;lu; TY]k;kPl;lu; TY]k;kPl;lu; TY]k;kPl;lu; TY]k;kPl;lu; (Cm)

18) kpd;g[yj;jpy; cs;s kpd; nUKidapd; kpd;dGj;j Mw;wypd; kjpg;g[ -pEcos θθθθθ

19) xU g[s;sp kpd;D]l;ljpypUe;J 2m bjhiytpd; kpd;g[[yr; brwpt[ 400 V/mvj;bjhiytpy; mjd; kpd;g[yr; brwpt[ 100 V/m Mf mika[k; 4 m

20) fhu;gd; kpd;jilahf;fpapd; xU KidapYs;s gGg;g[ epw tisak; Fwpf;Fk;khWghl;L msthdJ 1%

21) xU LCR Rw;wpy; XL=XC vd;W nUf;Fk; BghJ mjd; kpd;Bdhl;lk;kpd;dGj;jj;Jld; xj;j fl;lj;jpy; nUf;Fk;kpd;dGj;jj;Jld; xj;j fl;lj;jpy; nUf;Fk;kpd;dGj;jj;Jld; xj;j fl;lj;jpy; nUf;Fk;kpd;dGj;jj;Jld; xj;j fl;lj;jpy; nUf;Fk;kpd;dGj;jj;Jld; xj;j fl;lj;jpy; nUf;Fk;

22) KlePf;F rpfpr;irf;Fg; gad;gLk; fjpu;fs; mfr;rptg;g[ fjpu;fs;mfr;rptg;g[ fjpu;fs;mfr;rptg;g[ fjpu;fs;mfr;rptg;g[ fjpu;fs;mfr;rptg;g[ fjpu;fs;

23) epal ;ld; tisar; Brhjidapy; 5890 A° miyePsk; bfhz;l xspgad;gLj;jg;gLfpwJ. 0.589 µm jokDs;s fhw;Wg;glyj;jpy; cUthFk; fUikepw tisaj;jpd; tupir 2

24) mZ epwkhiy vd;gJ J]a tup epwkhiyJ]a tup epwkhiyJ]a tup epwkhiyJ]a tup epwkhiyJ]a tup epwkhiy

25) gpd;tUtdtw;Ws; xspapay; tpidahf;fpg; bghUshdJ Brhoak; FBshiuLBrhoak; FBshiuLBrhoak; FBshiuLBrhoak; FBshiuLBrhoak; FBshiuL

26) xU cByhfj;jpd; btspBaw;W Mw;wy; 6.626 x 10-19 J. mjd; gad; bjhlf;fmjpu;btz; 1 x 1015 Hz

27) nuj;jr; Brhifiaf; fz;lwpag; gad;gLtJ 26Fe 59

28) mZf;fU ciyapy; jzpg;ghdhf gad;gLtJ fdePu;fdePu;fdePu;fdePu;fdePu;

29) 92 U 238 IBrhBlhg;g[ kw;Wk; rpijt[fis mile;j gpwF 82 Pb 206 IBrhBlhg;ghfkhWfpwJ. mf;fjpupaf;fr; rpijtpy; btspg;gLk; kw;Wk; Jfs;fspd; vz;zpf;ifKiwBa 8,6

30) 13 Al 27 kw;Wk; 14 Si 28 vd;w mZf;fUf;fs; vjw;F vLj;Jf;fhl;lhf mika[k; IBrhBlhd;IBrhBlhd;IBrhBlhd;IBrhBlhd;IBrhBlhd;


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2) LED- If; Fwpg;gpLtjw;Fg; gad;gLj;jg;gLk; FwpaPL

3) nuz;L cs;sPLfSk; cau;thf nUf;Fk; BghJ kl;LBk btsPaPL Fiwt[epiyapy; cs;s yh$pf; Bfl; NAND

4) tPr;Rg; gz;Bgw;wj;jpy;, gl;il mfyk; irif mjpu;btz;zpd; nUklA;fhfirif mjpu;btz;zpd; nUklA;fhfirif mjpu;btz;zpd; nUklA;fhfirif mjpu;btz;zpd; nUklA;fhfirif mjpu;btz;zpd; nUklA;fhfnUf;Fk;nUf;Fk;nUf;Fk;nUf;Fk;nUf;Fk;

5) gpd;dpa tupf;fz;Bzhl;lj;jpy; xU tupia tupf;fz;Bzhl;lkpl MFk; fhyk;64 µs

6) rhu;gpaypd;go, naf;fj;jpYs;s jz;od; ePsk; epiyahf cs;sBghJ nUe;jepiyahf cs;sBghJ nUe;jepiyahf cs;sBghJ nUe;jepiyahf cs;sBghJ nUe;jepiyahf cs;sBghJ nUe;jePsj;ijtpl Fiwthf mika[k;ePsj;ijtpl Fiwthf mika[k;ePsj;ijtpl Fiwthf mika[k;ePsj;ijtpl Fiwthf mika[k;ePsj;ijtpl Fiwthf mika[k;

7) mZf;fU tpir Vw;gl fhuzkhd mZf;fUj; Jfs;fSf;F nilapy; gupkhw;wk;mila[k; Jfs;fs; kPrhd;fs;kPrhd;fs;kPrhd;fs;kPrhd;fs;kPrhd;fs;

8) nuj;jr;Brhifiaf; fz;lwpag; gad;gLtJ 26 Fe 59

9) vit jzpg;ghd;fs; fpuhigl; - rhjhuz ePu; - fdePu;fpuhigl; - rhjhuz ePu; - fdePu;fpuhigl; - rhjhuz ePu; - fdePu;fpuhigl; - rhjhuz ePu; - fdePu;fpuhigl; - rhjhuz ePu; - fdePu;

10) ZXA vd;w jdpkk; mLj;jLj;J Kd;W rpijt[fisa[k;, ehd;F B-rpijt[fisa[k;

mile;jgpwF Y vd;w jdpkkhf khWfpwJ vdpy; Y jdpkj;jpd; epiw vz; kw;Wk;mZ vz; KiwBa A - 12, Z - 2

11) ‘R’ vd;gJ upl;bgu;f; khwpyp vdpy; i#l;u$d; epwkhiyapd; Fiwe;j miyePsk;1/R

12) Bghupd; bfhs;ifapd;go, Fwpg;gpl;l jdpj;jdpahd kjpg;g[fisg; bgWk; mst[Bfhz ce;jk;Bfhz ce;jk;Bfhz ce;jk;Bfhz ce;jk;Bfhz ce;jk;

13) mZtpd; Kjy; Kd;W Bghu; tl;lg;ghijapd; MuA;fspd; tpfpjk; 1:4:9

14) B#hByhfpuhgp Kiwapy; fPH;fz;ltw;wpy; vit glr;RUspy; gjpt[ bra;ag;gLk;fl;lKk;, tPr;Rk;fl;lKk;, tPr;Rk;fl;lKk;, tPr;Rk;fl;lKk;, tPr;Rk;fl;lKk;, tPr;Rk;

15) 2A miyePsk; bfhz;l vyf;l;uhdpd; ce;jk; 3.3 x 10-24 kgms -1

16) b$dBul;lu; tpjp vd;gJ @gpbskpA;fpd; tyJif tpjp@gpbskpA;fpd; tyJif tpjp@gpbskpA;fpd; tyJif tpjp@gpbskpA;fpd; tyJif tpjp@gpbskpA;fpd; tyJif tpjp

17) xU rptg;g[ xspf;fw;iwapypUe;J tpspk;g[ tpist[ bgwg;gLfpd;wJ. rptg;g[ xspf;Fgjpyhf ePy xspiag; gad;gLj;jpdhy; Vw;gLtJ vd;d tpspk;g[ tpist[tpspk;g[ tpist[tpspk;g[ tpist[tpspk;g[ tpist[tpspk;g[ tpist[FWfyila[k; kw;Wk; Tl;lhf xd;W BrUk;FWfyila[k; kw;Wk; Tl;lhf xd;W BrUk;FWfyila[k; kw;Wk; Tl;lhf xd;W BrUk;FWfyila[k; kw;Wk; Tl;lhf xd;W BrUk;FWfyila[k; kw;Wk; Tl;lhf xd;W BrUk;

18) epal;ld; tisaj;bjhFjpapy;, fz;zhoj;jl;ow;Fk;, jl;lf; Ftpbyd;rpw;Fk;nilBa xU Jsp ePu; itf;fg;gl;lhy; tisaj; bjhFjp RUA;Fk;RUA;Fk;RUA;Fk;RUA;Fk;RUA;Fk;

19) kpd;dpiH tpsf;F btsptpLk; epwkhiy bjhlu; epwkhiybjhlu; epwkhiybjhlu; epwkhiybjhlu; epwkhiybjhlu; epwkhiy

20) aA; nul;ilg;gpst[ Ma;tpy;, gpst[fSf;F nilg;gl;l bjhiyt[ ghjpahft[k;,jpiuf;Fk; gpstpw;Fk; nilg;gl;l bjhiyt[ nUklA;fhft[k; MfpwJ vdpy;gl;ilapd; mfyk; ehd;F klA;fhFk;.ehd;F klA;fhFk;.ehd;F klA;fhFk;.ehd;F klA;fhFk;.ehd;F klA;fhFk;.

21) xU Blq;rd;l; fhy;tdhkPl;lupy;, Fwpg;gpl;l kpd;Bdhl;lj;jpw;F tpyfy; 30fk;gpr;RUspd; jsk; 90 jpUg;gpa gpd; mBj kpd;Bdhl;lj;jpw;F Vw;gLk; tpyfy; 00

22) btg;g kpd;dpul;ilapy; fPH;f;fz;lfPH;f;fz;l ve;j nU cByhfA;fspd;kpd;dpul;ilf;F kpd; naf;F tpir (e.m.f) bgUkkhFk; Sb-Bi

23) kpd;Bjf;fp kl;LBk cs;s AC Rw;wpy;, irifapd; mjpu;btz; RHpahFk; BghJkpd;Bjf;fpapd; kpd;kWg;g[ KotpypKotpypKotpypKotpypKotpyp

24) kpd;fhe;jj; J]z;ly; gad;gLj;jg;glhjJ miw RBlw;wpmiw RBlw;wpmiw RBlw;wpmiw RBlw;wpmiw RBlw;wp25 xU Vw;W kpd;khw;wpapy; btspaPL kpd;dGj;jk; 11kV. cs;sPL kpd;dGj;jk; 220v

vdpy;, Jizr;RUspy; cs;s Rw;Wfspd; vz;zpf;iff;Fk;, Kjd;ikr;RUspy;cs;s Rw;Wfspd; vz;zpf;iff;Fk; cs;s tpfpjk; 50:1

26) gpd;tUtdtw;Ws; vJ kpd;fhg;g[g; bghUs; my;y jA;fk;jA;fk;jA;fk;jA;fk;jA;fk;

27) rk kpd;dGj;jg; gug;gpy; cs;s nU g[s;spfSf;F nilBa 500 µc kpd;D]l;lj;ijefu;j;j bra;ag;gLk; Btiy RHpRHpRHpRHpRHp

28) A , B-f;Fk; nilBaa[s;s bjhFgad; kpd;Bjf;Fjpwd; 3µF

30) kpd;flj;J vz;zpd; myF mho-m -1


A B

3 6

2 2

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1) gpd;tUtdtw;Ws; btg;g kpd;dpul;il mLf;F ve;j jj;Jtj;jpd; mog;gilapy;bray;gLfpwJ rPbgf; tpist[rPbgf; tpist[rPbgf; tpist[rPbgf; tpist[rPbgf; tpist[

2) xU rpwe;j Bthy;l; kPl;lupd; gz;g[ Nwpyh kpd;jilNwpyh kpd;jilNwpyh kpd;jilNwpyh kpd;jilNwpyh kpd;jil3) kpd;khw;wp bray;gLtJ ACapy; kl;Lk;apy; kl;Lk;apy; kl;Lk;apy; kl;Lk;apy; kl;Lk;

4) 50Hz mjpu;btz; AC Kyj;Jld; 300 mH kpd;J]z;o nizf;fg;gLk; BghJVw;gLk; kpd;kWg;g[ 94.2 ohm

5) 311 V bgUk kjpg;g[ bfhz;l khWjpir kpd;dGj;jj;jpd; r.m.s kjpg;g[ 220v

6) upl;bgu;f; khwpypapd; myF m-1

7) Kjy; tupir X-fjpu; tpspk;g[ tpistpy;, X-fjpu;fspd; miyePsk; mzpf;Bfhitnilbtsp kjpg;g[f;Fr; rkk; vdpy;, mjd; rha;Bfhzk; 303030303000000

8) Bghupd; bfhs;ifapd;go, Fwpg;gpl;l jdpj;jdpahd kjpg;g[fisg; bgWk; mst[Bfhzce;jk;Bfhzce;jk;Bfhzce;jk;Bfhzce;jk;Bfhzce;jk;

9) Typl;$; FHha; xd;W 18600 v kpd;dGj;jj;jpy; bray;gLk;BghJ Bjhd;Wk;X-fjpu;fspd; bgUk mjpu;btz; 4.5 x 10 18 Hz

10) Xa;t[ epiw mo bfhz;l xU gUg;bghUs; xspapd; jpirBtfj;jpy; brd;why;mjd; epiw ααααα

11) fPH;f;bfhLf;fg;gl;Ls;s bray;ghl;Lg; bgUf;fpapd; btspaPL +1V

12) mtyhq;rp Kwpt[ Kjd;ikahf rhu;e;Js;s epfH;t[ Bkhjy;Bkhjy;Bkhjy;Bkhjy;Bkhjy;

13) xU re;jp ouhd;rp^;lupy; mjpf khR fye;j gFjp ckpH;g;ghd; MFk;. Vbddpy;ckpH;g;ghd; motha;f;F bgUk;ghd;ik Cu;jpfis mspf;f Btz;oa[s;sJ.bgUk;ghd;ik Cu;jpfis mspf;f Btz;oa[s;sJ.bgUk;ghd;ik Cu;jpfis mspf;f Btz;oa[s;sJ.bgUk;ghd;ik Cu;jpfis mspf;f Btz;oa[s;sJ.bgUk;ghd;ik Cu;jpfis mspf;f Btz;oa[s;sJ.

14) cs;sPLfs; xd;wpd; epug;gpahf kw;bwhd;W mika[k;BghJ btspaPL 1 vd mika[k;yh$pf; Bfl; EXOR

15) kdpjdhy; gilf;fg;gl;l Kjy; braw;iff;Bfhs; ^;g[l;dpf;^;g[l;dpf;^;g[l;dpf;^;g[l;dpf;^;g[l;dpf;

16) 1 ikf;BuhTYk; kpd;D]l;lj;jpypUe;J cUthFk; kpd;tpirf; BfhLfspd;vz;zpf;if 1.129X105

17) nU kpd;Bjf;fpfs; bjhlu; nizg;gpy; cs;sBghJ bjhFgad; kpd;Bjf;Fj;jpwd;1.5 µf xU kpd;Bjf;fpapd; kpd;Bjf;Fj; jpwd; 4 µf vdpy; kw;bwhd;wpd;kpd;Bjf;Fj;jpwdpd; kjpg;g[ 2.4 µf

18) kpd;D]l;lA;fSf;fpilBa Vw;gLk; tpiria jPu;khdpf;Fk; tpjp TYk;tpjpTYk;tpjpTYk;tpjpTYk;tpjpTYk;tpjp

19) rPuhd kpd;g[yj;jpy; g[yj;jpw;F nizahf mjd; mr;R mika[khW xU kpd;nUKid itf;fg;gl;lhy; mJ czu;tJ bkhj;j tpira[k; my;y jpUg;g[bkhj;j tpira[k; my;y jpUg;g[bkhj;j tpira[k; my;y jpUg;g[bkhj;j tpira[k; my;y jpUg;g[bkhj;j tpira[k; my;y jpUg;g[tpira[k; my;ytpira[k; my;ytpira[k; my;ytpira[k; my;ytpira[k; my;y

20) kpd;D]l;lA;fs; vg;bghUspd; tHpBa vspjhfg; gha;e;J bry;Yk; jhkpuk;jhkpuk;jhkpuk;jhkpuk;jhkpuk;

21) brtpa[zu; mjpu;btz; milg;g[r; RUs;fspy; gad;gLj;jg;gLk; cs;sfk; nUk;gnUk;gnUk;gnUk;gnUk;g[

22) xspapd; vt;tpistpd; Kyk; epal;ld; tisaA;fs; cUthf;fg;gLfpd;wd FWf;fPl;L tpist[FWf;fPl;L tpist[FWf;fPl;L tpist[FWf;fPl;L tpist[FWf;fPl;L tpist[

23) Xur;Rg; gofj;jpw;F Xu; vLj;Jf;fhl;L Lu;kiyd;Lu;kiyd;Lu;kiyd;Lu;kiyd;Lu;kiyd;

24) nuhkd; tpistpy; gLfpd;w fjpu;tPr;rpd; mjpu;btz;iz tpl Fiwe;j mjpu;btz;bfhz;l epwkhiy tup ^;Blhf;^; tup^;Blhf;^; tup^;Blhf;^; tup^;Blhf;^; tup^;Blhf;^; tup

25) xspapay; RHw;rp rhu;e;jpuhj fhuzp gad;gLk; xspapd; brwpt[gad;gLk; xspapd; brwpt[gad;gLk; xspapd; brwpt[gad;gLk; xspapd; brwpt[gad;gLk; xspapd; brwpt[

26) r mjpu;btz; bfhz;l @Bghl;lhd; gad;bjhlf;f mjpu;btz; ro bfhz;lcByhfj;jpd;kPJ gLfpwJ. btsptplg;gLk; @Bghl;Blh vbyf;l;uhdpd;naf;f Mw;wy; h(r-r 0)

27) 13Al27 kw;Wk; 14Si28 vd;w mZf;fUf;fs; vjw;F v.fh mika[k; IBrhBlhd;IBrhBlhd;IBrhBlhd;IBrhBlhd;IBrhBlhd;

28) fhkpdp mZf;fU ciyapy; vupbghUshf gad;gLj;jg;gLtJ 9292929292 U 233233233233233

29) cl;fU 26 Fe 56 d; gpizg;g[ Mw;wy; 493 Mev

30) rpijt[khwpyp 0.0693ehs; bfhz;l xU fjpupaf;fj; jdpkj;jpd; miu Ma[l;fhyk;10 ehl;fs;10 ehl;fs;10 ehl;fs;10 ehl;fs;10 ehl;fs;

12th PHYSICS PUBLIC ONE MARK QUESTION ANSWERS SEPTEMBER - 2007

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1) $Pypd; btg;g tpjp H=VIt

2) kpd;cUF niHapy; cs;s cByhf fyit Nak; kw;Wk; bts;sPak;Nak; kw;Wk; bts;sPak;Nak; kw;Wk; bts;sPak;Nak; kw;Wk; bts;sPak;Nak; kw;Wk; bts;sPak;

3) kpd;fhe;jj; J]z;ly; gad;gLj;jg;glhjJ miw RBlw;wpmiw RBlw;wpmiw RBlw;wpmiw RBlw;wpmiw RBlw;wp

4) byd;^; tpjp ve;j tpjpapd; mog;gilapyhdJ Mw;wy; mHptpd;ikMw;wy; mHptpd;ikMw;wy; mHptpd;ikMw;wy; mHptpd;ikMw;wy; mHptpd;ik

5) kpd;khw;wpapy; RHy; kpd;Bdhl;l nHg;gpidf; Fiwg;gjw;F gad;gLj;jg;gLtJ^;Bly;yhapdhy; cUthf;fg;gl;l bky;ypa jfLfspdhy; Md cs;sfk;^;Bly;yhapdhy; cUthf;fg;gl;l bky;ypa jfLfspdhy; Md cs;sfk;^;Bly;yhapdhy; cUthf;fg;gl;l bky;ypa jfLfspdhy; Md cs;sfk;^;Bly;yhapdhy; cUthf;fg;gl;l bky;ypa jfLfspdhy; Md cs;sfk;^;Bly;yhapdhy; cUthf;fg;gl;l bky;ypa jfLfspdhy; Md cs;sfk;

6) mZtpd; Kjy; Kd;W tl;lg; ghijfspd; Bghu; MuA;fspd; tpfpjk; 1:4:9

7) i#l;u$d; mZit moepiyapypUe;J fpsu ;r ;r pahf;fj; BjitahdFiwe;jgl;r Mw;wy; my;yJ Kjy; fpsu;r;rpahf;f kpd;dGj;j Mw;wy; 10.2ev

8) i#l;u$d; mZtpy; gpd;tUk; bgau;t[fspy; vjpy; bgUk miyePsk; cs;sepwkhiy tup Bjhd;Wk; 6--->5

9) Typl;$; FHhapy; cUthFk; X-fjpu;fspd; rpWk miyePsk; 0.062 nm vdpy;,BfBjhow;Fk; nyf;fpw;Fk; nilBaahd kpd;dGj;j BtWghL 20,000v

10) bghUs; xd;wpd; xsp-kpd;btspBaw;W Mw;wy; 3.3 eV vdpy;, gad; bjhlf;fmjpu;btz; 8x1014 Hz

11) rpypf;fhdpd; tpyf;fg;gl;l Mw;wy; nilbtspapd; mst[ 1.1ev

12) xU miyapaw;wp vd;gJ gpd;D]l;lk; cs;s xU bgUf;fpgpd;D]l;lk; cs;s xU bgUf;fpgpd;D]l;lk; cs;s xU bgUf;fpgpd;D]l;lk; cs;s xU bgUf;fpgpd;D]l;lk; cs;s xU bgUf;fp

13) fPH;f;fz;ltw;Ws; bfhil mZf;fs; vd;gd gp^;kj; kw;Wk; Mu;rdpf;gp^;kj; kw;Wk; Mu;rdpf;gp^;kj; kw;Wk; Mu;rdpf;gp^;kj; kw;Wk; Mu;rdpf;gp^;kj; kw;Wk; Mu;rdpf;

14) brtpa[zu; mjpu;btz; beLf;fk; 20 Hz Kjy;Kjy;Kjy;Kjy;Kjy; 20000 Hz tiu tiu tiu tiu tiu

15) bjhiy efypapdhy; mDg;g Btz;oa mr;roj;j Mtzj;ij kpd;diyfshfkhw;Wk; Kiw tupf;fz;Bzhl;lk;tupf;fz;Bzhl;lk;tupf;fz;Bzhl;lk;tupf;fz;Bzhl;lk;tupf;fz;Bzhl;lk;

16) tpLjpwdpd; myF C2N-1m-2

17) rk kpd;dGj;jg; gug;gpy; cs;s nU g[s;spfSf;F nilBa 500 µckpd;D]l;lj;ij efu;j;j bra;ag;gLk; Btiy RHpRHpRHpRHpRHp

18) rPuw;w kpd;g[yj;jpw;F Bfhzj;jpy; itf;fg;gl;Ls;s xU kpd; nU Kidczu;tJ tpir kw;Wk; jpUg;g[ tpir nuz;ila[k;tpir kw;Wk; jpUg;g[ tpir nuz;ila[k;tpir kw;Wk; jpUg;g[ tpir nuz;ila[k;tpir kw;Wk; jpUg;g[ tpir nuz;ila[k;tpir kw;Wk; jpUg;g[ tpir nuz;ila[k;

19) 6 µc k pd ;Bjf ;Fj pwd ; bfhz;l k pd ;Bjf ;f p 100v k pd ;fyj ;Jld ;nizf;fg;gl;Ls;sJ kpd;Bjf;fpapy; Brkpj;J itf;fg;gl;Ls;s Mw;wy; 0.03J

20) btg;gepiy Fiwa[k;BghJ kpd;fhg;g[g; bghUs;fspd; jd; kpd;jil vz;mjpfupf;Fk;mjpfupf;Fk;mjpfupf;Fk;mjpfupf;Fk;mjpfupf;Fk;

21) 11,000w kpd;jpwd;, 220v kpd;dGj;jj;jy; mDg;gg;gLfpwJ. vdpy; nizg;g[fk;gpapd; tHpBa gha[k; kpd;Bdhl;lk; 50A

22) fPH;f;fhz;gdtw;Ws; vJ bjhlu; btspaPL epwkhiyiaj; jUfpwJ kpd;dpiHtpsf;Fkpd;dpiHtpsf;Fkpd;dpiHtpsf;Fkpd;dpiHtpsf;Fkpd;dpiHtpsf;F

23) epal;ld; tisaj; bjhFjpapy;, fz;zhoj; jl;Lf;Fk;, jl;lf; Ftpbyd;Rf;Fk;nilapy; xU Jsp ePu; itf;fg;gl;lhy;, tisaj; bjhFjp RUA;Fk;RUA;Fk;RUA;Fk;RUA;Fk;RUA;Fk;

24) 0.005 m mfyj;jpy; 2500 BfhLfs; cs;s fPw;wzpapd; kPJ 6000 A°miyePsKs;s xspahdJ Beu;Fj;jhfg; gLfpd;wJ. mjd; bgUk tupir 33333

25) gpd;tUtdtw;Ws; ve;j tpisthy; kl;Lk; xspapd; FWf;fiyg; gz;igtpsf;f Koa[k; jstpist[jstpist[jstpist[jstpist[jstpist[

26) epiw RHpahft[k; Mdhy; Mw;wy; cilajhft[k; cs;s Jfs; Bghl;lhd;Bghl;lhd;Bghl;lhd;Bghl;lhd;Bghl;lhd;

27) 13Al27 kw;Wk; 14Si28 vd;w mZf;fUf;fs; vjw;F vLj;Jf;fhl;L IBrhBlhd;fs;IBrhBlhd;fs;IBrhBlhd;fs;IBrhBlhd;fs;IBrhBlhd;fs;

28) fjpupaf;fj; jdpkk; xd;wpd; ruhrup Ma[l;fhyj;jpw;Fk; miu Ma[l;fhyj;jpw;Fk;nilBaahd bjhlu;g[ t = T1/2 /0.6931

29) xU fjpupaf;fj; jdpkk; ZXA Kd;W Jfs;fs; kw;Wk; ehd;F Jfs;fis

btsptpl;L jdpkk; Y Mf khWfpwJ. jdpkk; Y vd;gJ Z-2YA-12

30) fPH;f;fz;ltw;Wk; nuj;j ehsA;fspy; cs;s milg;g[fisf; fz;lwpag; gad;gLtJ 11 NA 24


c

77777



1) xU @Bghl;lhdpw;F Mw;wy; cz;L Mdhy; epiw RHpahFk;Mw;wy; cz;L Mdhy; epiw RHpahFk;Mw;wy; cz;L Mdhy; epiw RHpahFk;Mw;wy; cz;L Mdhy; epiw RHpahFk;Mw;wy; cz;L Mdhy; epiw RHpahFk;2) xU mZf;fUtpd; Muk; 2.6 x 10 -15 kP vdpy; mjd; epiw vz; 888883) FiwBtf epal;uhd;fspd; naf;f Mw;wy; 0 0 0 0 0 ev Kjy; Kjy; Kjy; Kjy; Kjy; 1000 eV

4) 80 Hg 198 + X ---> 79Au 198 +1H1 vd;w mZf;fU tpidapy; X vd;gJ vjidf;

Fwpf;Fk; epal;uhd;epal;uhd;epal;uhd;epal;uhd;epal;uhd;5) tptrhaj;jpy; gad;gLj;jg;gLk; fjpupaf;f IBrhBlhg;g[ 15 P 32

6) kpd;jil R kpd;J]z;o L kw;Wk; kpd;Bjf;fp C bfhz;l bjhlu; Rw;wpy;nizf;fg;gl;l xU a.c kpd;Rw;wpd; juf;fhuzp(Q-factor)vd;gJ Q = 1/R√√√√√L/C

7) kpd;fhe;j miyfspy; kpd;g[yk; E kw;Wk; fhe;jg[yk; Bf;F nilBa cs;s fl;lBtWghL RHpRHpRHpRHpRHp

8) xU Clfj;jpy; xspapd; jpirBtfk; 2.25x108 ms-1 vdpy; me;j Clfj;jpd;xsp tpyfy; vz; 1.331.331.331.331.33

9) xU rpfg;g[ xspf;fw;iwapypUe;J tpspk;g[ tpist[ bgwg;gLfpd;wJ. rptg;g[xspf;F gjpyhf ePy xspiag; gad;gLj;jpdhy; Vw;gLtJ tpspk;g[ tpist[tpspk;g[ tpist[tpspk;g[ tpist[tpspk;g[ tpist[tpspk;g[ tpist[FWfyila[k;kw;Wk; Tl;lkhf xd;W BrUk;.FWfyila[k;kw;Wk; Tl;lkhf xd;W BrUk;.FWfyila[k;kw;Wk; Tl;lkhf xd;W BrUk;.FWfyila[k;kw;Wk; Tl;lkhf xd;W BrUk;.FWfyila[k;kw;Wk; Tl;lkhf xd;W BrUk;.

10) ePupd; js tpist[f; Bfhzk; 53° 4’ nf;Bfhzj;jpy; ePu; gug;gpd; kPJ xspgLk;BghJtpyF Bfhzj;jpd; kjpg;g[ 360 56’

11) fPH;f;fz;l mst[fSs; vJ ^;Bfyhu; msthFk; kpd;dGj;jk;kpd;dGj;jk;kpd;dGj;jk;kpd;dGj;jk;kpd;dGj;jk;12) kpd;g[yr; brwptpd; myF NC-1

13) kpd; nUKid jpUg;g[j;jpwd; bfhz;l P apd; xU kpd; nUKidia E vd;wkpd; g[yj;jpd; jpirapy; xUA;fikj;jhy;, kpd; nUKidapd; epiy mw;wy; -PE

14) kpd; nUKidj;jl;L kpd;Bjf;fpapd; kpd;Bjf;F jpwdhdJ. jl;LfSf;fpilBakpd;fhg;g[g; bghUisf; bfhz;L epug;g[tjhy; 5 µc ypUe;J 60 µc f;Fmjpfupf;fpwJ. kpd;fhg;g[g; bghUspd; kpd;fhg;g[ khwpyp 12

15) Fwpg;gpl;l ePsk; bfhz;l jhkpuf; fk;gpapd; kpd;jil R mjd; ePsk;nUklA;fhf;fg;gLk; BghJ mjd; kpd;jil vz; khWglhJkhWglhJkhWglhJkhWglhJkhWglhJ

16) bghJ ckpH;g;ghd; bgUf;fp xd;wpd; cs;sPLkw;Wk; btspaPL kpd;dGj;jA;fSf;FnilBa cs;s fl;l BtWghL 180°

17) fhy;gpl; miyapaw;wpr; Rw;wpy; kpd;Bjf;fp gpd;D]l;lk; gad;gLj;jg;gLfpwJkpd;Bjf;fp gpd;D]l;lk; gad;gLj;jg;gLfpwJkpd;Bjf;fp gpd;D]l;lk; gad;gLj;jg;gLfpwJkpd;Bjf;fp gpd;D]l;lk; gad;gLj;jg;gLfpwJkpd;Bjf;fp gpd;D]l;lk; gad;gLj;jg;gLfpwJ18) bfhLf;fg;gl;l yh$pf; bray;ghl;Lf;Fupa Bfl; vJ AND

19) xt;bthU rl;lj;ija[k; nuz;L g[yA;fshfg; gpupj;J xU brfz;Lf;F 50 fhl;rpfismDg;g[tjd; Behf;fk; glj;jpy; rpkpl;liyj; jtpu;f;fglj;jpy; rpkpl;liyj; jtpu;f;fglj;jpy; rpkpl;liyj; jtpu;f;fglj;jpy; rpkpl;liyj; jtpu;f;fglj;jpy; rpkpl;liyj; jtpu;f;f


21) g[w Cjhg; gFjpapy; mika[k; i#l;u$d; mZtpd; epwkhiy tupir iykd;22) Typl;$; FHhapy; Bjhd;Wk; rpwg;g[ X-fjpu; @Bghl;lhdpd; Mw;wy; vt;thW

bgwg;gLfpwJ nyf;fpd; mZ jht[k;BghJnyf;fpd; mZ jht[k;BghJnyf;fpd; mZ jht[k;BghJnyf;fpd; mZ jht[k;BghJnyf;fpd; mZ jht[k;BghJ23) Ugp jz;oy; cs;s FBuhkpak; madpfs; gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;24) Bkru; bghUshfg; gad;gLgtit ghuh fhe;j madpfs;ghuh fhe;j madpfs;ghuh fhe;j madpfs;ghuh fhe;j madpfs;ghuh fhe;j madpfs;25) gUg;bghUs; miyePsk; vjidr; rhu;e;jjy;y kpd;D]l;lk;kpd;D]l;lk;kpd;D]l;lk;kpd;D]l;lk;kpd;D]l;lk;26) RBlw;Wk; niHahf epf;Buhk; gad;gLj;jg;gLfpwJ Vbddpy; mJ mjpf kpd;jilmjpf kpd;jilmjpf kpd;jilmjpf kpd;jilmjpf kpd;jil

vz; bfhz;lJvz; bfhz;lJvz; bfhz;lJvz; bfhz;lJvz; bfhz;lJ27) xU btg;g kpd;dpul;ilapy; Fspu;re;jpapd; btg;gepiy 20° c jpUg;g[ btg;gepiy

270° c vdpy;g[ul;L btg;g epiyahdJ 520° c28) kpd;fhe;jj; J]z;ly; gad;gLj;jg;glhjJ miw RBlw;wpmiw RBlw;wpmiw RBlw;wpmiw RBlw;wpmiw RBlw;wp29) fPH;f;fz;ltw;Ws; vjid kpd;khw;wpiag; gad;gLj;jp cau;j;j KoahJ cs;sPLcs;sPLcs;sPLcs;sPLcs;sPL

jpwd;jpwd;jpwd;jpwd;jpwd;30) Beu; jpir kpd;Bdhl;lj;jpw;Fk; xU kpd;Bjf;fpapd; kpd; kWg;g[ (Xc) vd;gJ KotpypKotpypKotpypKotpypKotpyp


c

→ →

88888



1) ν mjpu;btz; bfhz;l @Bghl;lhd;, gad; bjhlf;f mjpu;btz; νο bfhz;lcByhfj;jpd; kPJ gLfpwJ btsptplg;gLk; vyf;l;uhdpd; naf;f Mw;wy; h(ν-νο)

2) fjpupaf;fj; jdpkk; xd;wpd; rpijt[ khwpyp 0.06931/ehs; mjd; miu Ma[l;fhyk;10 ehl;fs;10 ehl;fs;10 ehl;fs;10 ehl;fs;10 ehl;fs;

3) tptrhaj;jpy; gad;gLj;jg;gLk; fjpupaf;f IBrhBlhg;g[ 15 P 32

4) 1 amu vd;gJ 1.66 x 10 -27 g

5) kpd;D]l;lkw;w, epiwaw;w, xspapd; jpirBtfj;jpy; bry;Yk; Jfs; @Bghl;lhd;@Bghl;lhd;@Bghl;lhd;@Bghl;lhd;@Bghl;lhd;

6) xU Kd;W fl;l AC kpd;dpaw;wpapy; Kd;W fk;gpr; RUs;fs; xd;Wld; xd;Wrha;e;jpUf;FkhW Bru;j;J itf;fg;gl;Ls;s Bfhz mst[ 120°

7) kpd;fhe;j miyfspy; kpd;g[yk; E kw;Wk; fhe;jg[yk; Bf;F nilBa cs;s fl;l BtWghL RHpRHpRHpRHpRHp

8) jstpist[ Bfhzk; 60 cs;s BghJ Clfj;jpd; xsptpyfy; vz; 1.7321.7321.7321.7321.732

9) nuhkd; tpistpy; rpjwof;fg;gLk; @Bghl;lhd; mjpf Mw;wiyg; bgw;why;cUthFk; tup Mz;o^;Blhf;^; tupMz;o^;Blhf;^; tupMz;o^;Blhf;^; tupMz;o^;Blhf;^; tupMz;o^;Blhf;^; tup

10) @g;uhd;B#hgu; tpspk;g[ tpistpy;, tpspk;g[ tpistpw;F cl;gLj;jg;gLk; miyKfg;g[ rkjs miy Kfg;g[rkjs miy Kfg;g[rkjs miy Kfg;g[rkjs miy Kfg;g[rkjs miy Kfg;g[

11) tpLjpwdpd; myF C2N-1m-2

12) kpd;D]l;lA;fspy; Fthz;lkhf;fiy Fwpf;Fk; rkd;ghL q =ne

13) kpd;flj;jpf;F xU vLj;Jf;fhl;L kdpj cly;kdpj cly;kdpj cly;kdpj cly;kdpj cly;14) rPuw;w kpd;g[yj;jpy; kpd; nUKid xd;wpid mjd; mr;R g[yj;jpw;F θθθθθ Bfhzj;jpy;

mika[khW itj;jhy; mJ czu;tJ bkhj;j tpir kw;Wk; jpUg;g[ tpirbkhj;j tpir kw;Wk; jpUg;g[ tpirbkhj;j tpir kw;Wk; jpUg;g[ tpirbkhj;j tpir kw;Wk; jpUg;g[ tpirbkhj;j tpir kw;Wk; jpUg;g[ tpirnuz;ila[k;nuz;ila[k;nuz;ila[k;nuz;ila[k;nuz;ila[k;

15) nU 2ΩΩΩΩΩ kpd;jilfs; gf;f nizg;gpy; nUe;jhy;, bjhFgad; kpd;jilapd; kjpg;g[ 1ΩΩΩΩΩ

16) xU bghJ ckpH;g;ghd; ouhd;rp^;lu; Rw;wpy; motha; kpd;Bdhl;lk; kw;Wk; Vw;ghd;kpd;Bdhl;lk; 25mA vdpy; mjd; kpd;Bdhl;lg; bgUf;fk; 500500500500500

17) xsp ckpH;t[ ilBahoy; ckpHg;gLk; xspapd; epwk; vjidr; rhu;e;jJ Fiwf;flj;jpFiwf;flj;jpFiwf;flj;jpFiwf;flj;jpFiwf;flj;jpbghUspd; tifbghUspd; tifbghUspd; tifbghUspd; tifbghUspd; tif

18) bfhLf;fg;gl;l yh$pf; Bfl; AND

19) jht[ bjhiyt[ vd;w Fiwe;jgl;rj; bjhiyt[ vd;gJ gug;g[k; g[s;spapypUe;Jgug;g[k; g[s;spapypUe;Jgug;g[k; g[s;spapypUe;Jgug;g[k; g[s;spapypUe;Jgug;g[k; g[s;spapypUe;JVw;Fk; g[s;sptiuVw;Fk; g[s;sptiuVw;Fk; g[s;sptiuVw;Fk; g[s;sptiuVw;Fk; g[s;sptiu


21) Bghupd; bfhs;ifgo, Fwpg;gpl;l jdpj;jdpahd kjpg;g[fisg; bgWk; mst[Bfhzce;jk;Bfhzce;jk;Bfhzce;jk;Bfhzce;jk;Bfhzce;jk;

22) \gp jz;oy; cs;s FBuhkpak; madpfs; gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;23) XuyF ePsj;jpy; cs;s miyfspd; vz;zpf;if miy vz; vdg;gLk;miy vz; vdg;gLk;miy vz; vdg;gLk;miy vz; vdg;gLk;miy vz; vdg;gLk;

24) xU bghUspd; Kg;gupkhz gpk;gj;ijg; bgWk; Kiw B#hByhfpuhgpB#hByhfpuhgpB#hByhfpuhgpB#hByhfpuhgpB#hByhfpuhgp

25) m epiwa[k; e kpd;Bdhl;lKk; bfhz;l xU vyf;l;uhd; Xa;t[ epiyapy; nUe;J Vkpd;dGj;j BtWghl;odhy; KLf;fg;gLk; BghJ mjd;nWjp jpirBtfk; √2Ve/m

26) xU btg;g kpd;dpul;ilapy; Fspu;re;jpapd; btg;gepiy 20°°°°°c jpUg;g[ btg;gepiy270°°°°°C vdpy; g[ul;L btg;gepiyahdJ 520°C

27) btg;g kpd;dpul;il mLf;F btg;gf; fjpu;tPr;ir fz;Lzu gad;gLfpwJbtg;gf; fjpu;tPr;ir fz;Lzu gad;gLfpwJbtg;gf; fjpu;tPr;ir fz;Lzu gad;gLfpwJbtg;gf; fjpu;tPr;ir fz;Lzu gad;gLfpwJbtg;gf; fjpu;tPr;ir fz;Lzu gad;gLfpwJ

28) 5A DC kpd;Bdhl;lk; cUthf;Fk; mBj mst[ btg;g tpisit cUthf;Fk;khWjpir kpd;Bdhl;lj;jpd; mst[ 5A rms kpd;Bdhl;lk; kpd;Bdhl;lk; kpd;Bdhl;lk; kpd;Bdhl;lk; kpd;Bdhl;lk;

29) kpd;fhe;jj; J]z;ly; gad;gLj;jg;glhjJ kpd;dpiHtpsf;Fkpd;dpiHtpsf;Fkpd;dpiHtpsf;Fkpd;dpiHtpsf;Fkpd;dpiHtpsf;F

30) RLC bjhlu; Rw;wpy; xj;jpirt[ epiyapy; kpd;Bdhl;lk;, kpd;dGj;jj;Jld;kpd;Bdhl;lk;, kpd;dGj;jj;Jld;kpd;Bdhl;lk;, kpd;dGj;jj;Jld;kpd;Bdhl;lk;, kpd;dGj;jj;Jld;kpd;Bdhl;lk;, kpd;dGj;jj;Jld;xBu fl;ljpYs;sJ.xBu fl;ljpYs;sJ.xBu fl;ljpYs;sJ.xBu fl;ljpYs;sJ.xBu fl;ljpYs;sJ.

12th PHYSICS PUBLIC ONE MARK QUESTION ANSWERS OCTOBER - 2008

D D

c

→ →

99999




1) gpd;tUk; rhjdA;fspy; xd;wpd; kpd;jil kpff;Fiwt[ 0 - 10 A mk;kPl;lu; mk;kPl;lu; mk;kPl;lu; mk;kPl;lu; mk;kPl;lu;

2) 110W, 220V kpd; gy;g[ xd;wpd; (Electric bulb) kpd;dpiHapd; kpd;jil 440 ohm

3) Beu;f;flj;jpapd; jd; kpd; J]z;ly; vz; RHpRHpRHpRHpRHp

4) 5A Beu;jpir kpd;Bdhl;lk; cUthf;Fk; mBj mst[ btg;g tpisit cUthf;Fk;khWjpir kpd;Bdhl;lj;jpd; mst[ ntw;Ws; VJkpy;iyntw;Ws; VJkpy;iyntw;Ws; VJkpy;iyntw;Ws; VJkpy;iyntw;Ws; VJkpy;iy

5) bjhlu; xj;jpirt[r;Rw;W xd;wpd; Q-fhuzp Q = 1/R√√√√√L/C

6) Ugp jz;oy; cs;s FBuhkpak; madpfs; gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;

7) xU kpd;Bghf;Ff; FHhapy; fPH;tUtdtw;Ws; vjpypUe;J Beu;kpd; fjpu;fs;cUthfpd;wd kpd;Bghf;Ff; FHhapy; cs;s tha[ mZf;fs;kpd;Bghf;Ff; FHhapy; cs;s tha[ mZf;fs;kpd;Bghf;Ff; FHhapy; cs;s tha[ mZf;fs;kpd;Bghf;Ff; FHhapy; cs;s tha[ mZf;fs;kpd;Bghf;Ff; FHhapy; cs;s tha[ mZf;fs;

8) 1000kV kpd;dGj;jj;jpy; X-fjpu; FHhapypUe;J Bjhd;Wk; X-fjpu;fspd; rpWkmiyePsk; 0.0124A°

9) i#l;u$d; mZtpd; madpahf;f kpd;dGj;jk; 13.6eV

10) gad; bjhlf;f mjpu;btz;zpy; vyf;l;uhd;fspd; jpirBtfk; RHpRHpRHpRHpRHp

11) rpypf;fhdpd; tpyf;fg;gl;l Mw;wy; nilbtsp 1.1eV

12) gypad; my;$Pg;uh tpjpfspd;go (A+AB) vd;w rkd;ghL vjw;Fr; rkk; A

13) ird; totw;w miyapaw;wpf;F cjhuzk; gy;yjpu;tpgy;yjpu;tpgy;yjpu;tpgy;yjpu;tpgy;yjpu;tp

14) BuoBah gug;gpapy; cs;s RF miytupir cUthf;FtJ cau; mjpu;btz;cau; mjpu;btz;cau; mjpu;btz;cau; mjpu;btz;cau; mjpu;btz;Cu;jp miyfs;Cu;jp miyfs;Cu;jp miyfs;Cu;jp miyfs;Cu;jp miyfs;

15) xU mjpu;btz; gz;Bgw;wk; bra;ag;gl;l (FM) irifapd; Xa;t[epiy mjpu;btz;105 MHz kw;Wk; mjd; cau;e;jgl;r mjpu;btz; 105.03 MHz vdpy; Cu;jpmiyapd; miyt[ 0.06 MHz

16) fPH;f;fz;l mst[fSs; vJ ^;Bfyhu; msthFk; kpd;dGj;jk;kpd;dGj;jk;kpd;dGj;jk;kpd;dGj;jk;kpd;dGj;jk;

17) kpd;g[yr;brwptpd; myF NC-1

18) 10 Vm-1 vd;w rPuhd kpd;g[yj;jpy; itf;fg;gl;Ls;s 2 x 10 -10 C kpd;D]l;lj;jpd;kPJ bray;gLk; tpirapd; vz; kjpg;g[ 2 x 10 -9 N

19) nU g[s;sp kpd;D]l;lA;fspd; kpd;dGj;j Mw;wy; U = q1q2/ 4πεπεπεπεπεοοοοοr

20) btg;gepiy Fiwa[k; bghJ kpd;fhg;g[g; bghUs;fspd; jd;kpd;jil vz; mjpfupf;Fk;mjpfupf;Fk;mjpfupf;Fk;mjpfupf;Fk;mjpfupf;Fk;

21) xU AC kpd;Rw;wpy; kpd;Bdhl;lj;jpd; ruhrup kjpg;g[ RHpkpd;Bdhl;lj;jpd; ruhrup kjpg;g[ RHpkpd;Bdhl;lj;jpd; ruhrup kjpg;g[ RHpkpd;Bdhl;lj;jpd; ruhrup kjpg;g[ RHpkpd;Bdhl;lj;jpd; ruhrup kjpg;g[ RHp

22) kpd;fhe;j miyfspy;, kpd;g[yk; E kw;Wk; fhe;jg[yk; B -f;F nilBa cs;s fl;lBtWghL RHpRHpRHpRHpRHp

23) Xu; xspf;fjpu; fz;zhoj; jsj;jpd; kPJ gLk;bghGJ vjpbuhspf;fg;gl;l fjpu;KGtJkhf jstpist[ milfpwJ. vjpbuhspg;g[f; fjpUf;Fk; tpyfy; mile;jfjpUf;Fk; nilg;gl;l Bfhzk; 909090909000000

24) Brhg;g[f; FkpHpfs; Rupa xspapy; gy tz;zf; fjpu;fis btspg;gLtjw;Ff;fhuzk; xspapd; FWf;fPl;L tpist[xspapd; FWf;fPl;L tpist[xspapd; FWf;fPl;L tpist[xspapd; FWf;fPl;L tpist[xspapd; FWf;fPl;L tpist[

25) epal;ld; fUik tisaA;fspd; MuA;fspd; tpfpjk; 1 : 2 : 3

26) rpwg;g[r; rhu;gpay; bfhs;ifapd;go midj;Jf; Fwpg;ghaA;fspYk; khwpypahf nUg;gJxspapd; jpirBtfk;xspapd; jpirBtfk;xspapd; jpirBtfk;xspapd; jpirBtfk;xspapd; jpirBtfk;

27) βββββ - rpijtpd; BghJ epal;uhd; vz;zpf;if xd;W Fiwa[k;xd;W Fiwa[k;xd;W Fiwa[k;xd;W Fiwa[k;xd;W Fiwa[k;

28) 80 Hg 198 + X ----> 79Au198 + 1H1 vd;w mZf;fU tpidapy; X - vd;gJ vijf;

Fwpf;Fk; epal;uhd;epal;uhd;epal;uhd;epal;uhd;epal;uhd;

29) xU fjpupaf;fj; jdpkj;jpd; miu Ma[l;fhyk; 300 ehl;fs; vdpy; mjd; rpijt[khwpyp 0.0231/ehs;0.0231/ehs;0.0231/ehs;0.0231/ehs;0.0231/ehs;

30) vj;Jfs;fs; gupkhw;wk; bjhlu;e;J eilbgWtjhy; mZf;fU tpir Bjhd;WfpwJkPrhd;fs;kPrhd;fs;kPrhd;fs;kPrhd;fs;kPrhd;fs;

c

→ →

1010101010




1) gal; - rhtu;l; tpjpapd; rkd;ghL2) xU btg;g kpd;dpul;ilapy; Fspu; re;jpapd; btg;gepiy 2020202020o C jpUg;g[ btg;gepiy

270270270270270o C vdpy; g[ul;L btg;gepiyahdJ. 5200

3) 0.5m2 gug;gsita[k; 10 Rw;Wfisa[k; bfhz;l xU fk;gpr;RUspd; jsk;0.5 wb/m 2 fhe;jg[yj;jpw;F nizahf cs;s BghJ fk;gpr;RUspd; tHpBa gha[k;fhe;jg;ghak; RHpRHpRHpRHpRHp

4) Beu;jpir kpd;Bdhl;lj;ij jd; tHpBa gha mDkjpf;fhj fUtp vJ ? kpd;Bjf;fp kpd;Bjf;fp kpd;Bjf;fp kpd;Bjf;fp kpd;Bjf;fp5) fk;gpr; RUspy; nUe;J g[wr;Rw;Wf;F kpd;Bdhl;lj;ij ghar; bra;a[k; khWjpir

kpd;dpaw;wpapd; ghfk; J]upiffs;J]upiffs;J]upiffs;J]upiffs;J]upiffs;6) i#l;u$d; mZtpd; Kjy; Kd;W tl;lg;ghijapd; Bghu; MuA;fspd; tpfpjk; 1:4:9

7) Brhku;gPy;L mZkhjpupapy; Kjd;ik Fthz;lk; vz; d;whf (n=3) nUf;Fk;bghGJ tl;lg;ghijiaf; Fwpf;Fk; Jizf;TL ahJ? 3d

8) X - fjpu; vd;gJ naf;f Mw;wiy fjpu; tPryhf khw;Wk; epfH;r;rpnaf;f Mw;wiy fjpu; tPryhf khw;Wk; epfH;r;rpnaf;f Mw;wiy fjpu; tPryhf khw;Wk; epfH;r;rpnaf;f Mw;wiy fjpu; tPryhf khw;Wk; epfH;r;rpnaf;f Mw;wiy fjpu; tPryhf khw;Wk; epfH;r;rp9) Ugp jz;oy; cs;s FBuhkpa madpfs; gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;gr;ir xspia cl;ftUk;10) xs pk pd ; t pisit vjd; mog ;gila py ; t psf ;f Koa [k ; ?

xspapd; Fthz;lk; bfhs;ifxspapd; Fthz;lk; bfhs;ifxspapd; Fthz;lk; bfhs;ifxspapd; Fthz;lk; bfhs;ifxspapd; Fthz;lk; bfhs;if11) bfhLf;fg;gl;l mikg;gpd; yh$pf; bray;ghl;Lf;Fupa Bfl; AND

12) IC 741 -d; CrpKid mikg;gpy; Crp vz; 3 Fwpg;gJ g[ul;lyw;w cs;sPLg[ul;lyw;w cs;sPLg[ul;lyw;w cs;sPLg[ul;lyw;w cs;sPLg[ul;lyw;w cs;sPL13) flj;jpfspy; tpyf;fg;gl;l Mw;wy; nilbtsp kjpg;g[ RHpRHpRHpRHpRHp14) xsp niHfs; tHpahf xspr; iriffis mDg;g gad;gLk; jj;Jtk; KGmf vjpbuhspg;g[KGmf vjpbuhspg;g[KGmf vjpbuhspg;g[KGmf vjpbuhspg;g[KGmf vjpbuhspg;g[15) BuoBah gug;gpapy; cs;s RF miytupir cUthf;FtJ cau; mjpu;btz;cau; mjpu;btz;cau; mjpu;btz;cau; mjpu;btz;cau; mjpu;btz;

Cu;jp miyfs;Cu;jp miyfs;Cu;jp miyfs;Cu;jp miyfs;Cu;jp miyfs;16) kpd;D]l;lk; bgw;Ws;s cs;sPlw;w cByhfg; ge;J xd;W, RHp kpd;g[yj;ij

vg;g[s;spfspy; Bjhw;Wtpf;fpwJ? Bfhsj;jpd; btspBaBfhsj;jpd; btspBaBfhsj;jpd; btspBaBfhsj;jpd; btspBaBfhsj;jpd; btspBa

17) rk kpd;dGj;jg; gug ;gpy ; cs;s nU g[s;spfSf;F nilBa 500 µCkpd;D]l;lj;ij efu;j;j bra;ag;gLk; Btiy RHpRHpRHpRHpRHp

18) 1 µf 2µf kw;Wk; 3 µf kpd;Bjf;Fj;jpwd; bfhz;l d;W kpd;Bjf;fpfs; bjhlu;nizg;gpy; nizf;fg;gl;lhy; mtw;wpd; bjhFgad; kpd;Bjf;Fj;jpwd; 6/11 6/11 6/11 6/11 6/11 µµµµµf

19) P jpUg;g[jjpwd; bfhz;l xU kpd; nUKid E vd;w brwpt[ bfhz;l rPuhdkpd;g[yj;jpd; jpirf;F Ø Bfhzj;jpy; itf;fg;gl;Ls;sJ. mjd; kPJ bray;gLk;jpUg;g[ tpirahdJ P kw;Wk; kw;Wk; kw;Wk; kw;Wk; kw;Wk; E ntw;iw cs;slf;fpa jsj;jpw;F brA;Fj;J ntw;iw cs;slf;fpa jsj;jpw;F brA;Fj;J ntw;iw cs;slf;fpa jsj;jpw;F brA;Fj;J ntw;iw cs;slf;fpa jsj;jpw;F brA;Fj;J ntw;iw cs;slf;fpa jsj;jpw;F brA;Fj;Jjpirapy; bray;gLk;.jpirapy; bray;gLk;.jpirapy; bray;gLk;.jpirapy; bray;gLk;.jpirapy; bray;gLk;.

20) Fwpg ;g pl ;l e Psk; bfhz;l jhkpuf ; fk;g papd; kpd;jil R mjd;e Psk;nUklA;fhf;fg;gLk; BghJ mjd; kpd;jil vz; khWglhJ.khWglhJ.khWglhJ.khWglhJ.khWglhJ.

21) xU kpd;jilahf;fp tHpahf gha[k; khWjpir kpd;Bdhl;lj;jpd; rms kjpg;g[ 5A mjd;bgUk kjpg;g[ 7.07 A

22) xU xspapd; miyePsk; ehd;F klA;fhff; Fiwe;jhy; mjd; rpjwy; mst[256 klA;F mjpfupf;Fk;256 klA;F mjpfupf;Fk;256 klA;F mjpfupf;Fk;256 klA;F mjpfupf;Fk;256 klA;F mjpfupf;Fk;

23) 600 jstpist[ Bfhzj;jpw;fhd xsptpyfy; vz; vd;d? 1.732

24) nuhkd; tpistpy; xU Bghl;lhd; fpsu;r;rpa[w;w epiyapYs;s bghUs; xd;wpd;yf;Twpd; kPJ BkhJk; bghGJ rpjwyof;fg;gl;l Bghl;lhd; Bjhw;Wtpg;gJMz;o^;Blhf;^; tupMz;o^;Blhf;^; tupMz;o^;Blhf;^; tupMz;o^;Blhf;^; tupMz;o^;Blhf;^; tup

25) fz;zhoapd; xsptpyfy; vz; 1.5 fz;zhoapy; xspapd; jpirBtfk; 2 x 108

26) vyf ;l ; uhd ; Ez;Bzhf ;f p vjdog ;gila py ; bray ;gLf pwJ?naA;Fk; vyf;l;uhdpd; miyg;gz;g[naA;Fk; vyf;l;uhdpd; miyg;gz;g[naA;Fk; vyf;l;uhdpd; miyg;gz;g[naA;Fk; vyf;l;uhdpd; miyg;gz;g[naA;Fk; vyf;l;uhdpd; miyg;gz;g[

27) mZFz;L btoj;jypy; gad;gLk; jj;Jtk; fl;Lg ;ghlw;w mZf;fU gpsit tpidfl;Lg;ghlw;w mZf;fU gpsit tpidfl;Lg;ghlw;w mZf;fU gpsit tpidfl;Lg;ghlw;w mZf;fU gpsit tpidfl;Lg;ghlw;w mZf;fU gpsit tpid28) nuj;j Brhifiaf; fz;lwpag; gad;gLj;JtJ 26 26 26 26 26 Fe 59

29) 4Be9 + X ---> 6C12 + 0n

1 vd;w mZf;fU tpidapy; X - vd;gJ vjidf;Fwpf;Fk;? α −α −α −α −α − Jfs; (My;gh Jfs;)Jfs; (My;gh Jfs;)Jfs; (My;gh Jfs;)Jfs; (My;gh Jfs;)Jfs; (My;gh Jfs;)

30) fPH;tUtdtw;Ws; vJ ghupahd; gpupitr; rhu;e;jJ? g[Buhl;lhd;g[Buhl;lhd;g[Buhl;lhd;g[Buhl;lhd;g[Buhl;lhd;

c

1111111111



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