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P.ILAIYARAJA M.Sc.,B.Ed.,M.Phil.,PGDCA., PG ASSISTANT IN PHYSICS, GOVT HR SEC SCHOOL, PAPPANADU, THANJAVUR DT.(cell – 9626535583)

+1 ,aw;gpay; 1 kjpg;ngz; tpdhf;fs; myF – 1

1. fPo;fz;ltw;Ws; vit rkkhdit?

2. rptg;G epw xspapd; miyePsk; . - y; mjd; kjpg;G

3. GOjpj; Jfs; xd;wpd; epiw 1.6 x 10

-10 kg vdpy;> 1.6 kg epiwapy;

mj;Jfs;fspd; vz;zpf;if

4. Jfs; xd;wpd;kPJ nray;gLk; tpir> mjd; jpirNtfj;jpw;F

NeHj;jfT vdpy;> jfT khwpyp mstplg;gLk; myF

5. 0.0006032 – y; Kf;fpa vz;ZU

6. nghUnshd;wpd; ePsk; 3.51 m vd mstplg;gl;Ls;sJ.

Jy;ypaj;jd;ik 0.01 m vdpy;> mstPl;bd; tpOf;fhLg; gpio

7. <Hg;gpay; khwpypapd; ghpkhz tha;g;ghL

8. nghUnshd;wpd; jpirNtfk;> ghLg;tha; ghpkhz d; x.ty(x/t)v

9. gpshq; khwpypapd; ghpkhz tha;g;ghL

10. xNu khjphpahd ghpkhzq;fisg; ngw;Ws;sit

myF – 2

1. Xa;T epiyapy; ,Uf;Fk; Jfs;> fpilj;jsj;jpy; NeHf;Nfhl;by; rPuhd KLf;fj;Jld; ,aq;FfpwJ. ehd;fhtJ kw;Wk; %d;whtJ nehbfspy;> mJ fle;j njhiTfspd; jfT

2. jlq;fypd;wpj; jhNd fPNo tpOk; nghUs;> 1> 2 kw;Wk; 3

nehbfspy; fle;j njhiyTfspd; jfT

3. t fhyj;jpy;> Jfspd; NeHf;Nfhl;L ,lg;ngaHr;rp

)a,a(atataax 210

2

210 khwpypfs; vdpy;> Jfspd; KLf;fk;

4. ,aq;Fk; nghUspd; KLf;fk; vjw;Fr; rkk;?

5. fPo;f;fz;ltw;Ws;> ntf;lH msT vJ?

6. fpilj;jsj;Jld; 450 Nfhzj;jpy; nghUnshd;W vwpag;gl;lhy;>

mjd; fpilj;js tPr;R vjw;Fr; rkk;?

7. fpilj;jsj;Jld; θ kw;Wk; θ vd;w Nfhzq;fspy; ,U

Jg;ghf;fpf; Fz;Lfs; rk Ntfj;jpy; nrd;why;> mtw;wpd; gwf;Fk; fhyq;fspd; jfT.

8. fpilj;jsj;jpy;> Neuhd ghijapy; ,aq;fpf; nfhz;bUf;Fk;

,uapy; tz;bapd; rd;dy; topahf fy; xd;W tpOkhW nra;ag;gl;lhy;> ntspapy; jiuapy; cs;s xUtUf;F mf;fy;ypd; ghij vg;gbj; njhpAk;?

9. fpil;jsj;Jld; 600 kw;Wk; 300 Nfhzq;fspy; Jg;ghf;fp xd;W> ,U

Fz;Lfis rkjirNtfq;fspy; ntspNaw;WfpwJ. ,U Jg;ghf;fpf; Fz;Lfspd;; ngUk cauq;fspd; jfT

10. epA+l;ldpd; Kjy; ,af;ftpjpapy; ,Ue;J mwpag;gLk; fUj;J

11. nghUspd; epiykk; Nehpilahf vjidr; rhHe;jJ?

12. vjdbg;gilapy; uhf;nfl; nray;gLfpwJ?

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13. xU Gs;spapy; nray;gLk; %d;W tpirfs; rkepiyapy; cs;sNghJ

14. Jfs; xd;W tl;lg;ghijapy; Rw;wptUk;NghJ> mjd; KLf;fk;

15. tl;l ,af;fj;jpy; cs;s Jfs; xd;W> rk fhyq;fspy; rk

Nfhzq;fis Vw;gLj;jpdhy; mjd; jpirNtfk;

16. tpirnahd;W nray;gLtjhy;> Jfs; tl;lg;ghijapy;

,aq;FfpwJ. tpir nra;j Ntiy

17. rhprkkhd> cuha;Tj; jd;ikAila rhiyapy;> m epiwAs;s

kpjptz;b Xl;b xUtH v jpirNtfj;Jld; r MuKs;s tisTg; ghijapy; nry;fpwhH. mtH eOtp tpohky; ,Uf;f

18. nghUnshd;wpd; kPJ F tpir nray;gl;L> mJ v jpirNtfj;jpy;

,aq;fpdhy;> jpwd;

19. kPl;rp Nkhjypy;

20. fpilj;jsj;jpy; cs;s cuha;tw;w Nkirapd; kpJs;s

kuf;fl;ilapy;> Jg;ghf;fpf; nfhz;L Nkhjp> mjDs; nghjpe;J tpLfpwJ. fPo;f;fz;lthW vJ khwhjJ?

myF – 3 1. fbfhuj;jpy;> epkpl Ks;spd; Nfhz Ntfk;

2. nghUspd; epiykj; jpUg;Gj;jpwd; gq;fhw;WtJ

3. NeHf;Nfhl;baf;fj;jpd; epiwf;Fr; rkkhd Roy; ,af;f msT

4. nghUspd; epiykj;jpUg;Gj;jpwd; vjidr; rhHe;jjy;;y?

5. m epiwAk; r MuKk; cs;s tl;l tisak;> jsj;jpw;Fr;

nrq;Fj;jhfTk; ikaj;jpd; topahfTk; nry;Yk; mr;irg; nghUj;J> Nfhzj;jpirNtfj;Jld; Roy;fpwJ. mjd; ,af;f Mw;wy;

6. M epiwAk; R MuKk; cila tl;lj; jl;:L xd;wpd;>

jsj;jpw;Fr; nrq;Fj;jhfTk; ikaj;jpd; topahfTk; nry;Yk; mr;irg; nghUj;j epiykj;jpUg;Gj;jpwd;

7. Nfhz ce;jk; vd;gJ vtw;wpd; ntf;lH nghUf;fy; MFk;?

8. Nfhz ce;j khWghl;L tPjk; vjw;Fr; rkk;?

9. nghUspd; Nfhz ce;jkhdJ



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10. iffs; ePl;lg;gl; epiyapy;> RoYk; ehw;fhypapd; kPJ mkHe;jpUf;Fk; xUtH> jpBnud iffis klf;Fk;NghJ> Nfhzj;jpirNtfk;

11. RUs;tpy; kpjike;j gyifapd; kPjpUe;J Js;spf; Fjpf;Fk; ePr;ry;

tPuH> ePhpd; kpJ tpOKd;> fhw;wpy; gy Fl;bf;fuq;fspLk;NghJ> khwhjJ vJ?

myF – 4

1. ,U epiwfSf;fpilNaahd njhiyT ,Uklq;fhf;fg;gbd;> mtw;wpd; <Hg;gpay; ftHr;rp

2. Gtpg;gug;gpw;F NkNy> Gtpapd; Muj;ijg;Nghy; (1/20) klq;F

cs;s cauj;jpy; <Hg;gpd; KLf;fk; 9 m s-2. ,Nj njhiytpy;

Gtpf;Ff; fPNo (Moj;jpy;) xU Gs;spapy; <Hg;gpd; KLf;fk;

3. Gtpg;gug;gpy; nghUnshd;wpd; vil W. Gtpg;gug;gpypUe;J

Gtpikak; Nehf;fpr; nry;Yk;NghJ ghjp njhiytpy; mg;nghUspd; vil

4. FWf;Ff;NfhLg; gFjpapy;> <Hg;gpd; tpir rpWkkhff; $ba

Nfhzk;

5. Gtp> Roy;tJ epd;Wtpl;lhy;> eLf;Nfhl;Lg; gFjpapy; g–d; kjpg;G

6. Gtpapd; kPJ tpLgL Ntfk; 11.2 km s-2. Gtpapd; epiwiag; Nghy;

8 klq;Fk; Gtpapd; Muj;ijg;Nghy; 2 klq;Fk; cs;s Nfhs; xd;wpy; tpLgL Ntfk;

7. M epiwAila Nfhspid r MuKs;s Rw;Wg; ghijapy; Rw;wptUk; Jizf;Nfhspd; epiw m vdpy;> mjd; jpirNtfk;

8. GtpahdJ> #hpadplkpUe;J jw;NghJ cs;s njhiytpy; ehd;fpy; xU gq;F njhiytpy; ,Uf;Fk;NghJ> XH Mz;bd; fhyk;

9. #hpaf; FLk;gj;ijr; rhuhj nghUs; vJ?

10. nfg;shpd; tpjpg;gb> Muntf;lH rkfhyq;fspy; rk gug;Gfis

Vw;gLj;Jk;. ve;j moptpd;ikapd; tpisthf ,t;tpjp cs;sJ?

myF – 5

1. aq; Fzfk; fhZk; Nrhjid xd;wpy;> fk;gpapd; ePsKk;

njhq;ftplg;gl;l epiwAk; ,U klq;F mjpfhpf;fg;gl;lhy;> fk;gpg; nghUspd; aq; Fzfk;

2. KOikahd jpz;kg; nghUnshd;wpd; aq; Fzfj;jpd; kjpg;G

3. XNu nghUshy; nra;ag;gl;l xj;j Muk; nfhz;l ,U fk;gpfspd; ePsj;jpd; jfT 1 : 2. ,it xNu khjphpahd tpirfshy; ePl;lg;gl;lhy;> fk;gpfspy; Vw;gLk; jphpgpd; jfT

4. xU ePHkj;jpd; ntg;gepiy mjpfhpf;fg;gl;lhy;> mjd; gug;G

,Otpir

5. 2 : 1 vd;w jftpy; tpl;lk cila ,uz;L Nrhg;Gf; Fkpopfspy;

kpif mOj;jj;jpd; tpfpjk;



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6. l ePsk; nfhz;l rJu tbtr; rl;lkhdJ Nrhg;Gf; fiurypy; mkpo;j;jg;gLfpwJ. rl;lj;ij ntspapy; vLf;Fk;NghJ Nrhg;Gg; glyk; mjpy; cUthfpwJ. Nrhg;Gf; fiurypd; gug;G ,Otpirahy; rl;lj;jpy; nraw;gLk; tpir

7. tpz;zpypUe;J tpOk; kioj;Jspfs; ek;ik Ntfkhfj;

jhf;FtNjh my;yJ jiuapy; Jthuq;fis cz;lhf;FtNjh ,y;iy. Vnddpy; mit

8. 50 km cauj;jpypUe;J> 1 : 2 vd;;w jftpy; Muk; nfhz;l

,uz;L Myq;fl;b kioj;Jspfs; fPNo tpOfpd;wd. mitfspd; Kw;Wj; jpirNtfj;jpd; jfT.

9. 0.2 m

3 s

-1 vd;w tPjj;jpy; ePuhdJ rPuw;w FWf;F ntl;Lg; gug;gsT nfhz;l fpilkl;lj;jpYs;s Fohapd; topNa gha;fpwJ. Fohapd; FWf;F ntl;Lg; gug;gsT 0.01 m

2 cs;s xU Gs;spapy; ePhpd; jpirNtfj;jpd; kjpg;G

10. mjpf jpirNtfj;NjhL Gtpapd; tsp kz;lyj;jpy; EioAk;

nghUnshd;W jPg;gpbj;J vhptjd; fhuzk;

myF – 6

1. jdpr;rPhpir ,af;fj;jpw;fhd ,d;wpaikahj epge;jid vJ?

2. jdpr;rPhpir ,af;fj;jpw;F cl;gLk; Jfspd; ,lg;ngaHr;rp>

0.05)πtsin(1000.01x miyTf; fhyk;

3. jdpr;rPhpir ,af;fj;ij Nkw;nfhs;Sk; Jfspd; ,lg;ngaHr;rp

cm)2

πtsin(1000.05y . Jfspd; ngUkj; jpirNtfk;

4. ,lg;ngaHr;rpapd; vz;kjpg;G KLf;fj;jpw;F rkkhdhy;> miyTf;

fhyk;

5. 2 g epiwAs;s nghUnshd;W 10 cm tPr;Rld; jdpr;rPhpir

,af;fj;ij Nkw;nfhs;fpwJ. ngUkj; jpirNtfk; 100 cm s-1

vdpy;> 50 cm s

-1 jpirNtfk; ,Uf;ff;$ba njhiyT ( nrd;b

kPl;lhpy;)

6. NeHg;Nghf;Fr; rPhpir ,af;f miy ,aw;wp xd;wpd; nkhj;j

Mw;wy; 160 J vdpy;

7. nrq;Fj;jhf cs;s RUs;tpy; xd;iw 6.4 N tpirahdJ 0.1 m

ePl;rpailar; nraf;fpwJ. s4

miyTf; fhyj;Jld; mJ

miyTw> njhq;ftplg;gl Ntz;ba epiw

8. g = 9.8 m s

-2 ,Uf;Fk; ,lj;jpy; nehb Crypd; ePsk;

9. Jfs; xd;W 4 cm tPr;Rld; jdpr;rPhpir ,af;fj;ij

Nkw;nfhs;fpwJ. ikag; Gs;spapypUe;J ghjp epiy Mw;wyhfTk; ghjp ,af;f Mw;wyhfTk; cs;s ,lg;ngaHr;rp vJ?

10. Jfs; xd;W a tPr;Rld; NeHf;Nfhl;by; jdpr;rPhpir ,af;fj;ij

Nkw;nfhs;fpwJ. epiy Mw;wy; ngUkkhf ,Uf;Fk; ,lg;ngaHr;rp



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myF – 7 1. Fwpg;gpl;l xU fzj;jpy;> nel;liyapy; ngUk ,Wf;fk;

Vw;gLfpwJ. miyapd; mjpHntz; 50 Hz. ,e;jg; ngUk ,Wf;fk;> ngUkj; jsHr;rpahf khWk; fhyk;

2. 256 Hz mjpHntz; cila xyp Clfk; xd;wpd; topNa guTfpwJ. ngUk ,lg;ngaHr;rp 0.1 m vdpy; ngUkj; jpirNtfk;

3. thAtpy; xypapd; jpirNtfj;ijg; ghjpf;fhjJ vJ?

4. xU Clfj;jpypUe;J kw;nwhU Clfj;jpw;F miy guTk;NghJ>

khwf;$baJ

5. xyp%yj;jpypUe;J miyfs; midj;Jj; jpirfspYk guTfpd;wd.

xyp%yj;jpypUe;J 9 m kw;Wk; 25 m njhiyTfspy; tPr;rpd; jfT vd;d?

6. ,U xypfspd; nrwpT msTfs; 100 dB kw;Wk; 50 dB vdpy;>

mtw;wpd; nrwpTfspd; jfT

7. πtsin 2000ay1 kw;Wk; πtsin 2008ay2 vd;w ,U miyfs;

Vw;gLj;Jk; tpk;ky;fspd; vz;zpf;if

8. tpiwg;ghd fk;gpnahd;wpd; mbg;gil mjpHntz;iz 100 Hz

ypUe;J 400 Hz Mf mjpfhpf;f ,Otpir vj;jid klq;F mjpfhpf;fg;gl;l Ntz;Lk;?

9. 2 m ePsKs;s %ba Fohapy; Vw;gLk; Kjy; Nkw;RuKk; jpwe;j Fohapy; Vw;gLk; ,uz;lhtJ Nkw;RuKk; rk mjpHntz; cilad vdpy;> jpwe;j Fohapd; ePsk; (a) 2 m (b) 4 m (c) 0.5 m (d) 0.75 m

10. 150 Hz mjpHntz; cila xypia Vw;gLj;Jk; xyp%yk; Nfl;NghH xUtiu Nehf;fp 110 m s

-1 jpirNtfj;Jld; efUfpwJ. xypapd; jpirNtfk; 330 m s

-1 vdpy; Nfl;NghH Nfl;Fk; xypapd; mjpHntz;

myF – 8

1. mtfl;Nuh vz; vd;gJ gpd;tUtdtw;Ws; vjDs; mike;j %yf;$Wfspd; vz;zpf;ifahFk;?

2. ntg;g ,af;ftpaypd; Kjy;tpjp vjd; moptpd;ikahy;

cz;lhFk; tpisT MFk;.

3. Fwpg;gpl;l ntg;g epiyapy; i`l;u[d; kw;Wk; Mf;]p[d;

,tw;wpd; RMS jpirNtfq;fspd; jfT (a) 4 (b) 1/4 (c) 16 (d) 8

4. ntg;g khw;wPlw;w epfo;tpd;NghJ> xU njhFjpapd; khw;wkilahj gz;G

5. fpilj;jsg;gug;gpy; efUk; vWk;G xd;wpw;fhd nkhj;j

chpikg;gbfs; (a) 1 (b) 2 (c) 3 (d) 6

6. xU Nkhy; msTs;s thAtpd; %yf;$WfSf;fhd NeHf;Nfhl;L ,af;f Mw;wy;

7. ,ay;G thA xd;wpd; mf Mw;wy; ,Ug;gJ

8. xU ,aq;Fk; FspHg;gjdp xU %baa miwapDs;

itf;fg;gl;Ls;sJ. miwapd; ntg;gepiy



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9. xU gPf;fH KOtJk; nte;ePuhy; epug;gg;gl;L miwapDs; itf;fg;gl;Ls;sJ. 80

0C ypUe;J 75

0C f;F t1 epkplq;fspYk;>

750C ypUe;J 70

0C f;F t2 epkplq;fspYk;> 70

0C ypUe;J 65

0C f;F

t3 epkplq;fspYk; FspHtilte;jhy;

10. fPo;f;fz;ltw;Ws; vJ mjpfkhd mstpy; ntg;gj;ijf; fjpHtPRk;

11. ,ay;G ntg;gepiyapy; gdpf;fl;b xU miwapDs;

itf;fg;gl;bUg;gpd; mJ

myF – 9

1. ,U ,izahd rkjs MbfSf;F ,ilapYs;s nghUspd; gpk;gq;fspd; vz;zpf;if

2. 40 cm tisT Muk; cila Fopahbapy; cUthFk; gpk;gj;jpd;

msT nghUspd; msitg;Nghy; ,Uklq;F vdpy;> nghUs; cs;s njhiyT

3. mlHkpF Clfj;jpypUe;J mlHFiw Clfj;jpw;Fr; nry;Yk; xspf;fjphpd; gLNfhzk; i. vjpnuhspf;fg;gl;l fjpUk; tpyF fjpUk; xd;Wf;nfhd;W nrq;Fj;jhf cs;sd. vjpnuhspg;Gf; Nfhzk; r kw;Wk; tpyF Nfhzk; r’ vdpy;> khWepiyf; Nfhzk;.

4. thA epug;gg;gl;l Fohapd; topNa xsp nry;fpwJ. FohapypUe;J thAit nky;y nky;y ntspNaWk;NghJ> Fohapy; xspapd; jpirNtfk;

5. ikf;fy;rd; Nrhjidapy;> Royhbapy; Kfq;fspd; vz;zpf;ifia

mjpfg;gLj;jpdhy;> xspapd; jpirNtfk;>

6. Clfnkhd;wpy; xspapd; jpirNtfk;> ntw;wplj;jpy; mjd;

kjpg;igg; Nghy; (2/3) klq;F vdpy;> Clfj;jpd; xsptpyfy; vz;

7. +12 ilahg;glH kw;Wk; - 2 ilahg;glH jpwd; cila ,U

nyd;Rfs; xd;iw kw;nwhd;W njhLkhW itf;fg;gl;Ls;sd. $l;likg;gpd; Ftpaj;njhiyT

8. Ftpf;Fk; nyd;R xd;W jpiuapy; gpk;gj;ij cUthf;FfpwJ.

nyd;rpd; fPo;ghjp> xsp CLUTk; jd;ikaw;w jpiuahy; kiwf;fg;gl;lhy;

9. xU gLfjpUf;F 1.6 kw;Wk; 1.8 xsptpyfy; vz;fs; cila ,U rpwpa Nfhz Kg;gl;lfq;fs; rk msT jpirkhw;wj;jpid cz;lhf;Ffpd;wd. Kg;gl;lff; Nfhzq;fspd; jfT

10. thdtpy; cUthff; fhuzkhd epfo;T



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myF – 10

1. ‘d’ njhitpy; ntw;wplj;jy; itf;fg;gl;Ls;s ,U fhe;j Kidfs; 10 N tpiria czUfpd;wd. fhe;j Kidfs; mNj njhiytpYk; Clfj;jpd; xg;Gik cl;GFjpwd; 2 cs;s Clfj;jpYk;> itf;fg;gl;lhy;> mit czUk; tpirapd; kjpg;G

2. xU fhe;jj;jpd; fhe;jj; jpUg;Gj;jpwd; 5 Am

2 MFk;. fhe;j Kidtypik 25 A m vdpy;> fhe;jj;jpd; ePsk;

3. 2l ePsk;> M fhe;jj; jpUg;Gj;jpwd;> m fhe;j Kid typik

cs;s xU ePskhd fhe;j CrpahdJ mjd; eLg;gFjpapy; ,U Jz;Lfshf;fg;gLk;NghJ fpilf;Fk; xt;nthU Jz;bd; fhe;jj; jpUg;Gj;jpwd; kw;Wk; Kidtypik KiwNa

4. ,U rpwpa fhe;jq;fs; rkmstpyhd Kidtypik nfhz;Ls;s

xU fhe;jj;jpd; ePsk; kw;nwhd;wpidg; Nghy; ,Uklq;fhf cs;sJ. rpwpa ePsKila fhe;jkhdJ Nld; A epiyapy; fhe;j CrpapypUe;J 20 cm njhiytpy; itf;fg;gLfpwJ. mjpf ePskhd fhe;jkhdJ> tpyF fhe;jkhdpapd; kWgf;fj;jpy; itf;fg;gl;L mjpy; tpyf;fk; VJk; Vw;glhky; ,Uf;f> mjd; njhiyT

5. tpyF fhe;jkhdpapy; Nld; B epiyapy; itf;fg;gLk; fhe;jj;jpd;

jpir

6. xU fhe;jg; nghUspd; xg;Gik cl;GFjpwd; 10001 fhe;jkhf;Fk;

Gyr; nrwptpd; kjpg;G 2500 Am-1 vdpy; fhe;jkhf;fr; nrwpT

7. fPo;f;fz;ltw;Ws;> vjd; fhe;j Vw;Gj;jpwd; ntg;gepiyiar;

rhHe;jjpUf;fhJ?

8. fpa+hp ntg;gepiyapy; /ngHNuh fhe;jg; nghUs;

9. kpd;fhe;jq;fs; NjdpUk;G nfhz;L cUthf;fg;gLfpd;wd. Vnddpy; NjdpUk;G MdJ________________nfhz;Ls;sJ.



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