11th Std Physics Book Back Question With Answers · 2018-02-21 · Winmeen Tnpsc Group 1 & 2 Self...

Winmeen Tnpsc Group 1 & 2 Self Preparation Course 2018

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11th

Std Physics – Book Back Question With Answers

UNIT – 1

,ay; cyfj;jpd; jd;ikAk; mstPl;baYk;

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

(A) 6400 km kw;Wk; 6.4 × 10 8 cm (B) 2 × 10

4 cm and 2 × 10

6 mm

(C) 800 m and 80 × 10 2 m (D) 100 μm and 1 mm

2. rptg;G epw xspapd; miy ePsk; 7000 Å. μm -y; mjd; kjpg;G

(A) 0.7 μm (B) 7 μm

(C) 70 μm (D) 0.07 μm

3. Gojpj; Jfs; xd;wpd; epiw 1.6 × 10-10

kg. vdpy;> 1.6 kg epiwapy; mj;Jfs;fspd; vz;zpf;if?

(A) 10-10

(B) 10 10

(C) 10 (D) 10 -1

4. Jfs; xd;wpd; kpj nray;gLk; tpir> mjd; jpirNtfj;jpw;F Neh;j;jfT vdpy;> jfT khwpyp mstplg;gLk; myF

(A) kg s -1

(B) kg s

(C) kg m s -1

(D) kg m s -2

5. 0.0006032 -y; Kf;fpa vz;ZU

(A) 8 (B) 7

(C) 4 (D) 2

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

(A) 351 % (B) 1 %

(C) 0.28 % (D) 0.035 %

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

(A) M 1 L

3 T

-2 (B) M

-1 L

3 T

o-2

(C) M -1

L-3

T -2

(D) M 1 L

-3 T

2

8. nghUnshd;wpd; jpirNtfk;> v = (x/t) + yt. x-d; ghpkhz tha;g;ghL

(A) ML o T

o (B) M

o LT

o

(C) M o L

o T (D) MLT

o



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

(A) MLT (B) ML 3 T

2

(C) ML o T

4 (D) ML

2 T

-1

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

(A) tpirAk; ce;jKk; (B) jifTk; jphpGk;

(C) mlh;j;jpAk; ePslh;j;jpAk; (D) NtiyAk; epiyahw;wYk;



UNIT 2

,af;ftpay;

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

(A) 4/3 (B) 26/9

(C) 7/5 (D) 2

2. jlq;fypd;wpj; jhNd fPNo tpOk; nghUs;> 1> 2 kw;Wk; 3 nehbfspy; fle;j njhiyTfspd; jfT

(A) 1 : 2 : 3 (B) 1 : 3 : 5

(C) 1 : 4 : 9 (D) 9 : 4 : 1

3. t fhyj;jpy;> Jfspd; Neh;f;Nfhl;L ,lg;ngah;r;rp x = aO + a1 t +a2 t 2

(aO,a1, a2 -khwpypfs;) vdpy;> Jfspd; KLf;fk;>

(A) aO (B) a1

(C) a2 (D) 2a2

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

(A) jpirNtk; - fhyk; tiuglj;jpd; gug;G

(B) njhiyT – fhyk; tiuglj;jpd; gug;G

(C) jpirNtk; - fhyk; tiuglj;jpd; rha;T

(D) njhiyT – fhyk; tiuglj;jpd; rha;T

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

(A) njhiyT (B) ntg;gepiy

(C) epiw (D) ce;jk;

6. fpilj;jsj;Jld; 45° Nfhzj;jpy; nghUnshd;W vwpag;gl;lhy;> mjd; fpilj;js tPr;R vjw;Fr; rkk;?

(A) nrq;Fj;J cauk;

(B) nrq;Fj;J cauj;ijg; Nghy; ,U klq;F

(C) nrq;Fj;J cauj;ijg; Nghy; %d;W klq;F

(D) nrq;Fj;J cauj;ijg; Nghy; ehd;F klq;F

7. fpilj;jsj;Jld; θ kw;Wk; (90 - θ) vd;w Nfhzq;fspy; ,U Jg;ghf;fpf; Fz;Lfs; rk Ntfj;jpy; nrd;why;> mtw;wpd; gwf;Fk; fhyq;fspd; jfT

(A) 1:1 (B) tan θ :1

(C) 1: tan θ (D) tan 2

θ :1



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;?

(A) Neh;f;NfhL (B) gutisak;

(C) tl;lk; (D) mjpgutisak;

9. fpilj;jsj;Jld; 60° kw;Wk; 30° Nfhzq;fspy; Jg;ghf;fp xd;W> ,U Fz;Lfis rkjpirNtfq;fspy; ntspNaw;WfpwJ. ,U Jg;ghf;fpf; Fz;Lfspd; ngUk cauq;fspd; jfT.

(A) 2 : 1 (B) 3 : 1

(C) 4 : 1 (D) 1 : 1

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

(A) Mw;wy; (B) Ntiy

(C) ce;jk; (D) epiykk;.

11. nghUspd; epiykk; Nehpilahf vjidr; rhh;e;jJ?

(A) jpirNtfk; (B) epiw

(C) gug;G (D) gUkd;

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

(A) epa+l;ldpd; Kjy; ,af;f tpjp

(B) epa+l;ldpd; ,uz;lhk; ,af;f tpjp

(C) epa+l;ldpd; %d;whk; ,af;ftpjp

(D) epa+l;ldpd; Kjy; kw;Wk; ,uz;lhk; ,af;f tpjpfs;

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

(A) xt;nthU tpirAk; kw;w ,U tpirfspd; ntf;lh; $LjYf;Fr; rkk;.

(B) xt;nthU tpirAk; kw;w ,U tpirfspd; $Ljiytpl mjpfk;.

(C) xt;nthU tpirAk; kw;w ,U tpirfSf;fpilNa cs;s NtWghl;il tpl mjpfk;.

(D) xt;nthU tpirAk; kw;w ,U tpirfspd; ngUf;fw;gyDf;Fr; rkk;.

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

(A) njhLNfhl;bd; topNa Vw;gLk; (B) Muj;jpd; topNa Vw;gLk;

(C) tl;lg;ghij topNa Vw;gLk; (D) Rop

15. tl;l ,af;fj;jpy; cs;s Jfs; xd;W> rk fhyq;fspy; rk Nfhzq;fis Vw;gLj;jpdhy; mjd; jpirNtfk;>

(A) vz; kjpg;gpy; kl;Lk; khWk; (B) khwhky; kl;Lk; khWk;



(C) jpirapy; kl;Lk; khWk; (D) vz; kjpg;gpYk; jpirapYk; khWk;

16. tpirnahd;W nray;gLtjhy;> Jfs; tl;lg;ghijapy; ,aq;FfpwJ. tpir nra;j Ntiy

(A) Neh;f;Fwp> Ropay;y (B) Rop

(C) vjph;f;Fwp> Ropay;y (D) Nkw;fz;l VJkpy;iy

17. rhprkkhd> cuha;Tj; jd;ikAila rhiyapy> m epiwAs;s kpjptz;b Xl;b xUth; u

jpirNtfj;Jld; r MuKs;s tisTg; ghijapy; nry;fpwhh;> mth; eOtp tpohky; ,Uf;f>

(A) (mv2/2) > μmg (B) (mv

2/r) > μmg

(C) (mv2/r) < μmg (D) (v/r) = μg

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

(A) F.v (B) F/v

(C) Fv 2 (D) F/v

2

19. kPl;rp Nkhjypy;

(A) ,af;f Mw;wy; Kjypy; mjpfhpj;Jg; gpwF FiwAk;

(B) ,Wjp ,af;f Mw;wy; khwhky; ,Uf;fhJ

(C) njhlf;f Mw;wiytpl ,Wjp ,af;f Mw;wy; FiwT

(D) njhlf;f ,af;f Mw;wYk;> ,Wjp ,af;f Mw;wYk; rkk;

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;ltw;Ws; vJ khwhjJ?

(A) ce;jKk; ,af;f Mw;wYk; (B) ,af;f Mw;wy; kl;Lk;

(C) ce;jk; kl;Lk; (D) epiy Mw;wy; kl;Lk;



UNIT – 3

Roy; ,af;ftpirapay;

1. fbfhuj;jpy;> epkpl Ks;spd; Nfhz Ntfk;.

(A) π/21600 rad s-1

(B) π/12 rad s-1

(C) π/3600 rad s-1 (D) π/1800 rad s

-1

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

(A) Neh;f;Nfhl;baf;fj;jpy; (B) Roy; ,af;fj;jpy;

(C) vwpaj;jpd; ,af;fj;jpy; (D) rPuiyT ,af;fj;jpy;

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

(A) vil (B) epiykj;jpUg;Gj;jpwd;

(C) jpUg;Gtpir (D) Nfhz ce;jk;

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

(A) Nfhzj;jpirNtfk; (B) epiw

(C) Row;rpapd; mr;R (D) epiwapd; guty;

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> ω Nfhzj; jpirNtfj;Jld; Roy;fpwJ. mjd; ,af;f Mw;wy;

(A) mrω 2 (B) mrω

2

(C) Iω2 (D) 1/2 Iω

2

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;

(A) 1/2 MR2

(B) MR2

(C) 1/4 MR2

(D) 5/4 MR2

7. Nfhz ce;jk; vd;gJ vtw;wpd; ntf;lh; ngUf;fy; MFk;?

(A) Neh;f;Nfhl;L ce;jk; kw;Wk; Muntf;lh;

(B) epiykj; jpUg;Gj;jpwd; kw;Wk; Nfhzj; jpir Ntfk;

(C) Neh;Nfhl;L ce;jk; kw;Wk; Nfhzj; jpirNtfk;

(D) Neh;f;Nfhl;Lj; jpirNtfk; kw;Wk; Muntf;lh;

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

(A) tpir (B) Nfhz KLf;fk;

(C) jpUg;Gtpir (D) epiykj; jpUg;Gj;jpwd;



9. nghUspd; Nfhz ce;jkhdJ

(A) vg;NghJk; khwhJ (B) khw;wkile;J nfhz;Nl ,Uf;Fk;

(C) Gwj;jpUg;Gtpir ,y;yhjNghJ khwhJ (D) Gwj;jpUg;G tpir cs;sNghJ khwhJ

10. iffs; ePl;lg;gl;l epiyapy;> RoYk; ehw;fhypapd; kPJ mkh;e;jpUf;Fk; xUth;> jpBnud iffis klf;Fk;NghJ> Nfhzj;jpirNtfk;

(A) FiwAk; (B) mjpfkhFk;

(C) RopahFk; (D) khwhkypUf;Fk;

11. RUs;tpy; kPjike;j gyifapd; kPjpUe;J Js;spf; Fjpf;Fk; ePr;ry; tPuh;> ePhpd; kPJ tpOKd;> fhw;wpy; gy Fl;bf;fuzq;fspLk; NghJ> khwhjJ vJ?

(A) Neh;f;Nfhl;L ce;jk; (B) epiykj; jpUg;Gj;jpwd;

(C) ,af;f Mw;wy; (D) Nfhz ce;jk;



UNIT – 4

<h;g;gpaYk; tpz;ntsp mwptpaYk;

1. ,U epiwfSf;fpilNaahd njhiyt ,Uklq;fhf;fg;gbd;> mtw;wpd; <h;g;gpay; fth;r;rp

(A) ghjpahff; FiwAk; (B) fhy;gFjpahff; FiwAk;

(C) ,Uklq;fhFk; (D) ehd;F klq;fhFk;

2. Gtpg;gug;gpw;F NkNy> Gtpapd; Muj;ijg;Nghy; (1/20) klq;F cs;s cauj;jpy; <h;g;gpd; KLf;fk; 9 m s

-2 ,Nj njhiytpy; Gtpf;Ff; fPNo (Moj;jpy;) xU Gs;spapy; <h;g;gpd; KLf;fk;.

(A) 0 (B) 9 m s-2

(C) 9.8 m s-2

(D) 9.5 m s-2

3. Gtpg;gug;gpy; nghUnshd;wpd; vil W Gtpg;gug;gpypUe;J Gtpikak; Nehf;fpr; nry;Yk;NghJ ghjp njhiytpy; mg;nghUspd; vil

(A) W (B) W/2

(C) W/4 (D) W/8

4. FWf;Ff;NfhLg; gFjpapy;> <h;g;gpd; tpir rpWkkhff; $ba Nfhzk;

(A) 0 o (B) 45

o

(C) 60 o (D) 90

o

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

(A) mjpfkhFk; (B) FiwAk;

(C) khwhkypUf;Fk; (D) RopahfptpLk;

6. Gtpapd; kPJ tpLgL Ntfk; 11.2 km s -1

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

(A) 11.2 km s-1

(B) 5.6 km s-1

(C) 22.4 km s-1

(D) 44.8 km s-1

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

vdpy;> mjd; jpirNtfk;

(A) v2 = GM/r (B) v = GM/r

(C) v2 = GMm/r (D) v = GM/r

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

(A) jw;Nghija Mz;by; ehd;fpy; xU gq;F MFk;

(B) jw;Nghija Mz;by; ghjpahFk;



(C) jw;Nghija Mz;by; vl;by; xU gq;F MFk;

(D) jw;Nghija Mz;by; Mwpy; xU gq;F MFk;

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

(A) thy;kPd;fs; (Comets) (B) neGyh (Nebulae)

(C) rpWNfhs;fs; (Asteroids) (D) Nfhs;fs; (Planets)

10. nfg;shpd; tpjpg;gb> Muntf;lh; rkfhyq;fspy; rk gug;Gfis Vw;gLj;Jk;. ve;j moptpd;ikapd; tpisthf ,t;tpjp cs;sJ?

(A) Nfhz ce;jk; (B) Neh;f;Nfhl;L ce;jk;

(C) Mw;wy; (D) Nkw;fz;l midj;Jk;



UNIT – 5

jpl> gha;kg; nghUs;fspd; ,ae;jputpay;

1. aq; Fzfk; fhZk; Nrhjid xd;wpy;> fk;gpapd; ePsKk; nfhq;ftplg;gl;l epiwAk; ,U klq;F mjpfhpf;fg;gl;lhy;> fk;gpg; nghUspd; aq; Fzfk;.

(A) khwhky; ,Uf;Fk; (B) ,Uklq;F MFk;

(C) ehd;F klq;F MFk; (D) gjpdhW klq;F MFk;

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

(A) Rop (B) <wpyp

(C) 1 (D) –1

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

(A) 1 : 4 (B) 1 : 2

(C) 2 : 1 (D) 1 : 1

4. xU ePh;kj;jpd; ntg;gepiy mjpfhpj;jhy;> mjd; gug;G ,Otpir

(A) FiwAk; (B) mjpfhpf;Fk;

(C) khwhJ (D) ghfpay; vz;Zf;Fr; rkk;

5. 2 : 1 vd;w jftpy; tpl;lk; cila ,uz;L Nrhg;Gf; Fkpopfspy; kpif mOj;jj;jpd; tpfpjk;

(A) 1 : 4 (B) 2 : 1

(C) 1 : 2 (D) 4 : 1

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;G fiurypd; gug;G ,Otpirahy; rl;lj;jpy; nraw;gLk; tpir.

(A) 8 Tl (B) 4 Tl

(C) 10 Tl (D) 12 Tl

7. tpz;zpypUe;J tpOk; kioj;Jspfs; ek;ik Ntfkhfj; jhf;FtNjh my;yJ jiuapy; Jthuq;fis cz;lhf;FtNjh ,y;iy. Vnddpy; mit

(A) khwh KLf;fj;Jld; tpOfpd;wd

(B) khWk; KLf;fj;Jld; tpOfpd;wd

(C) khWk; Ntfj;Jld; tpOfpd;wd

(D) khwh jpirNtfj;jpy; tpOfpd;wd.

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; jpirNtj;jpd; jfT



(A) 1 : 9 (B) 9 : 1

(C) 4 : 1 (D) 1 : 4

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

(A) 2 ms -1

(B) 20 ms -1

(C) 200 ms-1

(D) 0.2 ms-1

10. mjpf jpirNtfj;NjhL Gtpapd; tsp kz;lyj;jpy; EioAk; nghUnshd;W jPg;gpbj;J vhptjd; fhuzk;

(A) fhw;wpd; ghFepiy MFk;

(B) tspkz;lj;jpd; cah; ntg;gj; jd;ik MFk;

(C) Fwpg;gpl;l tspkq;fspd; mOj;jkhFk;

(D) g-d; mjpf kjpg;ghFk;



UNIT – 6

miyTfs;

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

(A) khwhj miyTf; fhyk;

(B) khwhj KLf;fk;

(C) ,lg;ngah;r;rpAk; KLf;fKk; Neh;j;jfT

(D) ,lg;ngah;r;rpAk; jpUg;GtpirAk; Neh;j;jfT

2. jdpr;rPhpir ,af;fj;ij Nkw;nfhs;Sk; Jfspd; ,lg;ngah;r;rp> x = 0.01 sin (100 πt + 0.05).

miyTf; fhyk;

(A) 0.01 s (B) 0.02 s

(C) 0.1 s (D) 0.2 s

3. jdpr;rPhpir ,af;fj;ij Nkw;nfhs;Sk; Jfspd; ,lg;ngah;r;rp y = 0.05 sin (100 t + ) cm.

Jfspd; ngUkj; jpirNtfk;

(A) 0.5 cm s -1

(B) 0.05 m s-1

(C) 100 m s-1

(D) 50 m s-1

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

(A) 1 s (B) π s

(C) 2π s (D) 4π s

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;)

(A) 5 2 (B) 50 3

(C) 5 3 (D) 10 3

6. Neh;g;Nghf;Fr; rPhpay; ,af;f miy ,aw;wp xd;wpd; nkhj;j Mw;wy; 160 J. vdpy;

(A) ngUk epiyahw;wy; 100 J

(B) ngUk ,af;f Mw;wy; 160 J

(C) rpWk epiyahw;wy; 100 J

(D) ngUk ,af;f Mw;wy; 100 J



7. செங்குத்தாக உள்ள சுருள் வில் ஒன்றை 6.4 N விறெயானது 0.1 m நீட்ெியறைய

செய்கிைது.

s அறைவுக்காைத்துைன் அது அறைவுை, சதாங்கவிைப்பை

வவண்டிய நிறை

(A)

kg

(B) 1 kg

(C)

kg

(D) 10 kg

8. g = 9.8 m s -2

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

(A) 0.25 m (B) 1 m

(C) 0.99 m (D) 0.50 m

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;ngah;r;rp vJ?

(A) 2 2 cm (B) 2 cm

(C) 2 cm (D) 1 cm

10. Jfs; xd;W ‘a’ tPr;Rld; Neh;f;Nfhl;by; jdpr;rPhpir ,af;fj;ij Nkw;nfhs;fpwJ. epiy Mw;wy; ngUkkhf ,Uf;Fk; ,lg;ngah;r;rp

(A) + a (B) Rop

(C) + a/2 (D) a/2



UNIT – 7

miy ,af;fk;

1. Fwpg;gpl;l xU fzj;jpy;> nel;liyapy; ngUk ,Wf;fk; Vw;gLfpwJ. miyapd; mjph;ntz; 50 Hz. ,e;jg; ngUk ,Wf;fk;> ngUkj; jsh;r;rpahf khWk; fhyk;

(A) 0.01 s (B) 0.002 s

(C) 25 s (D) 50 s

2. 256 Hz mjph;ntz; cila xyp Clfk; xd;wpd; topNa guTfpwJ. ngUk ,lg;ngah;r;rp 0.1 m. vdpy; ngUkj; jpirNtfk;

(A) 60π m s -1

(B) 51.2π m s-1

(C) 256 m s-1

(D) 512 m s-1

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

(A) ntg;gepiy (B) mOj;jk;

(C) epiw (D) jd;ntg;g Vw;Gj;jpwd;fs;

4. xU Clfj;jpypUe;J kw;nwhU Clfj;jpw;F miy gutk; NghJ. khwf;$baJ.

(A) mjph;ntz;Zk; jpirNtfKk; (B) mjphntz;Zk; miyePsKk;

(C) miyePsKk; jpirNtfKk; (D) mjphntz;> miyePsk; kw;Wk; jpirNtfk;.

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?

(A) 25:9 (B) 9: 25

(C) 3 : 5 (D) 81 : 625

6. ,U xypfspd; nrwpT msTfs; 100 dB kw;Wk; 50 dB. vdpy;> mtw;wpd; nrwpTfspd; jfT

(A) 10 1

(B) 15

(C) 10 3 (D) 10

10

7. y1 = a sin 2000 πt, kw;Wk; y2 = a sin 2008 πt vd;w ,U miyfs; Vw;gLj;Jk; tpk;ky;fspd; vz;zpf;if

(A) 0 (B) 1

(C) 4 (D) 8

8. tpiwg;ghd fk;gpnahd;wpd; mbg;gil mjph;ntz;iz 100 Hz ypUe;J 400 Hz-Mf mjpfhpf;f ,O tpir vj;jid klq;F mjpfhpf;fg;gl Ntz;Lk;

(A) 2 klq;F (B) 4 klq;F

(C) 8 klq;F (D) 16 klq;F



9. 2 m ePsKs;s %ba Fohapy; Vw;gLk; Kjy; Nkw;RuKk; jpwe;j Fohapy; Vw;gLk; ,uz;lhtJ Nkw;RuKk; rk mjph;ntz; cilad vdpy;> jpwe;j Fohapd; ePsk;

(A) 2 m (B) 4 m

(C) 0.5 m (D) 0.75 m

10. 150 Hz is mjph;ntz; cila xypia Vw;gLj;Jk; xyp %yk; Nfl;Nghh; xUtiu Nehf;fp 110 m s jpirNtfj;Jld; efUfpwJ. Xypapd; jpirNtfk; 330 m s vdpy; Nfl;Nghh; Nfl;Fk; xypapd; mjphntz;.

(A) 225 Hz (B) 200 Hz

(C) 150 Hz (D) 100 Hz



UNIT – 8

ntg;gKk; ntg;g ,af;ftpaYk;

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

(A) NTP cs;s 1 ypl;lh; thAtpy;

(B) thAtpd; xU Nkhypy;

(C) thAtpd; xU fpuhkpy;

(D) thAtpd; xU fpNyhfpuhkpy;

2. ntg;g ,af;ftpaypd; Kjy;tpjp vjd; moptpd;ikahy; cz;lhFk; tpisT MFk;.

(A) ce;jk; (B) kpd;D}l;lk;

(C) epiw (D) Mw;wy;

3. Fwpg;gpl;l ntg;g epiyapy; i`bu[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

(A) ntg;g epiy (B) gUkd;

(C) mOj;jk; (D) ntg;gk;

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 Neh;f;Nfhl;L ,af;f Mw;wy;

(A) 3/2 RT (B) 2/3 kT

(C) 1/2 RT (D) 3/2 kT

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

(A) gFjp ,af;f Mw;wyhf gFjp epiyahw;wyhf

(B) KOtJk; epiyahw;wyhf

(C) KOtJk; ,af;f Mw;wyhf

(D) ,U jd; ntg;g Vw;Gj;jpwd;fspd; jftpidr; rhh;e;J.

8. xU ,aq;Fk; Fsph;g;gjdp xU %ba miwapDs; itf;fg;gl;Ls;sJ. miwapd; ntg;g epiy



(A) caUk; (B) FiwAk;

(C) khwhJ (D) miwapd; gug;gpidr; rhh;e;jpUf;Fk;

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

C ypUe;J

75O C f;F t1 epkplq;fspYk;> 75

O C ypUe;J 70

OC f;F t2 epkplq;fspYk;> 70

OC ypUe;J 65

OC

f;F t2 epkplq;fspYk; Fsph;tile;jhy;

(A) t1 = t2 = t3 (B) t1 < t2 = t2

(C) t2 < t2 < t3 (D) t1 > t2 > t3

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

(A) gsgsg;ghd ntz;ikg;gug;G

(B) nrhunrhug;ghd ntz;ikg;gug;G

(C) gsgsg;ghd fUikg;gug;G

(D) nrhunrhug;ghd fUikg;gug;G

11. ,ay;G ntg;gepiyapy; gdpf;fl;b xU miwapDs; itf;fg;gl;bUg;gpd; mJ

(A) fjph; tPrhJ

(B) Fiwthf fjph;tPRfpwJ. Mdhy; mjpfkhf cl;ftUfpwJ

(C) cl;ftUtijtpl mjpfkhf fjph;tPRk;

(D) cl;ftUk; msT fjph;tPRk;



UNIT – 9

fjph; xspapay;

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

(A) vz;zpyhjJ (B) 1

(C) 3 (D) 0

2. 40 cm tisT Muk; cila Fopahbapy; cUthFk; gpk;gj;jpd; msT nghUspd; msitg;Nghy; ,Uklq;F vdpy;> nghUs; cs;s njhiyT

(A) 20 cm (B) 10 cm

(C) 30 cm (D) 60 cm

3. mlh;kpF Clfj;jpypUe;J mlh;Fiw 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;

(A) tan-1 (sin i) (B) sin

-1 (tan i)

(C) tan-1

(sin r) (D) sin-1

(tan r ′)

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

(A) mjpfhpf;Fk; (B) FiwAk;

(C) khwhkypUf;Fk; (D) Kjypy; mjpfhpj;J gpd;dh; FiwAk;

5. ikf;fy;rd; Nrhjidapy;> Royhbapy; Kfq;fspd; vz;zpf;ifia mjpfg;gLj;jpdhy;> xspapd; jpirNtfk;

(A) FiwAk; (B) mjpfkhFk;

(C) khwhJ (D) Row;rpiar; rhh;e;J khWk;

6. Clfnkhd;wpy; xspapd; jpirNtfk;> ntw;wplj;jpy; mjd; kjpg;igg; Nghy; (2/3) klq;F vdpy;> Clfj;jpd; xsptpyfy; vz;.

(A) 3/2c (B) 2c/3

(C) 2/3 (D) 1.5

7. +12 ilahg;lh; kw;Wk; −2 ilahg;lh; jpwd; cila ,U nyd;Rfs; xd;iw kw;nwhd;W njhLkhW itf;fg;gl;Ls;sd. $l;likg;gpd; Ftpaj; njhiyT

(A) 8.33 cm (B) 12.5 cm

(C) 16.6 cm (D) 10 cm

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;

(A) gpk;gj;jpy; ghjp kiwe;J tpLk; (B) KO gpk;gKk; njhpAk;



(C) gpk;gk; cUthfhJ (D) gpk;gj;jpd; nrwpT mjpfkhFk;

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

(A) 0.88 (B) 1.33

(C) 0.56 (D) 1.12

10. thdtpy; cUthff; fhuzkhf epfo;T

(A) xsptpyfYk; cl;fth;jYk; (B) epwg;gphpifAk; FtpakiljYk;

(C) xsp tpyfYk; rpjwYk; (D) epwg;gphpifAk; KO mf vjpnuhspg;Gk;



UNIT – 10

fhe;jtpay;

1. ‘d’ njhiytpy; ntw;wplj;jpy; 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

(A) 20 N (B) 10 N

(C) 5 N (D) 40 N

2. xU fhe;jj;jpd; fhe;jj; jpUg;Gj;jpwd; 5 A m 2

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

(A) 10 cm (B) 20 cm

(C) 25 cm (D) 1.25 cm

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

(A) M, m (B) M/2, m/2

(C) M, m/2 (D) M/2, m

4. ,U rpwpa fhe;jq;fs; rk mstpyhd Kidtypik nfhz;Ls;sd. 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;glfpd;wJ. mjpf ePskhd fhe;jkhdJ> tpyF fhe;jkhdpapd; kWgf;fj;jpy; itf;fg;gl;L mjpy; tpyf;fk; VJk; Vw;glhky; ,Uf;f> mjd; njhiyT

(A) 20 cm (B) 20 (2) 1/3

cm

(C) 20 (2) 2/3

cm (D) 20 (2) cm

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

(A) tlf;F – njw;F (B) fpof;F – Nkw;F

(C) tlf;F – Nkw;F (D) njw;F – Nkw;F

6. xU fhe;jg; nghUspd; xg;Gik cl;GFjpwd; 10001 fhe;jkhf;Fk; Gyr;nrwptpd; kjpg;G 2500

m -1

. vdpy; fhe;jkhf;fr; nrwpT

(A) 0.5 × 10 -7

A m -1

(B) 2.5 × 10 -7

A m -1

(C) 2.5 × 1.0 +7

A m -1

(D) 2.5 × 10 -1

A m -1

7. fPo;f;fz;ltw;Ws;> vjd; fhe;j Vw;Gj;jpwd; ntg;gepiyiar; rhh;e;jpUf;fhJ?

(A) lahfhe;jg; nghUs; (B) ghuh fhe;jg; nghUs;

(C) /ngh;Nuh fhe;jg;nghUs; (D) lha fhe;jg;nghUs; kw;Wk; ghuhfhe;jg; nghUs;

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



(A) fhe;jj; jd;ikia ,of;fpwJ (B) lah fhe;jkhfpd;wJ

(C) ghuhfhe;jkhfpd;wJ (D) typik kpf;f /ngh;Nuh fhe;jkhfpd;wJ.

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

(A) Fiwe;j fhe;j Vw;Gj; jpwidAk;> Fiwthd kPjf; fhe;jj; J}z;liyAk;

(B) mjpfkhd fhe;j Vw;Gj; jpwidAk;> Fiwthd kPjf;fhe;jj; J}z;liyAk;

(C) mjpfkhd fhe;j Vw;Gj; jpwidAk; mjpfkhd kPjf; fhe;jj; J}z;liyAk;

(D) Fiwthd fhe;j Vw;Gj; jpwidAk; mjpfkhd kPjf;fhe;jj; J}z;liyAk;

11th Std Physics Book Back Question With Answers · 2018-02-21 · Winmeen Tnpsc Group 1 & 2 Self...

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Transcript of 11th Std Physics Book Back Question With Answers · 2018-02-21 · Winmeen Tnpsc Group 1 & 2 Self...