TANUS ntspaPL · cau;ju tpQ;Qhd gpupTf;fhd jD\; ntspaPL - ngsjpftpay ; tpdhf;fSk; tpilfSk; - 5 - TANUS ntspaPL A T tpn 01 sp p 01 tspap p s sp p t L p n

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cau;ju tpQ;Qhd gpupTf;fhd jD\; ntspaPL - ngsjpftpay; tpdhf;fSk; tpilfSk; - 5 -

TANUS ntspaPL

A / L Physics

LIGHT tpdhj;njhFg;G - 01

xsp KwpT

01. tspapypUe;J fz;zhbf;Fs; xspf;fjpu; efu;tijg; glk; fhl;Lfpd;wJ. ,J njhlu;ghd

gpd;tUk; $w;Wf;fisf; fUJf.

A. fz;zhbapy; xspf;fjpupd; fjp tspapYk; FiwthFk;.

B. gLNfhzj;ij khw;Wk; NghJ KwpNfhzk; Fwpj;j xU ngWkhdj;jpYk; FiwtfNt

,Uf;Fk;.

C. tspapYk; fz;zhbapYk; mt;nthspf;fjpupd;

kPbwd; rkdhFk;.

Nkw;Fwpj;j $w;Wf;fspy;>

(1) A khj;jpuk; cz;ikahdJ.

(2) B khj;jpuk; cz;ikahdJ.

(3) B, C Mfpad khj;jpuk; cz;ikahdit.

(4) A, B Mfpad khj;jpuk; cz;ikahdit.

(5) A, B, C Mfpa vy;yhk; cz;ikahdit.

02. fz;zhb;Fw;wp xd;wpDs; tsp ntw;wplk; xd;W

cs;sJ. fz;zhbapDs; efUk; PO vDk;

xspf;fjpupd; rupahd ghijia fhl;LtJ>

(1) OA

(2) OB

(3) OC

(4) OD

(5) OE

03. ,U epwq;fis nfhz;l fjpu; tspapypUe;J fz;zhbf;Fs; EioAk; NghJ ,U

epwq;fshf gpupe;J nry;tij glk; fhl;Lfpd;wJ.

A. fjpu;fs; a, b ,d; jug;gl;l fz;zhbf;fhd jdpKwpTr;Rl;bfs; KiwNa na, n

b

vdpd; na > n

b MFk;.

B. fjpu;fs; a, b ,d; jug;gl;l fz;zhbapDs; fjpfs; KiwNa Va, V

b vdpd; V

a > V

b

MFk;.

C. fjpu;fs; a, b ,d; miyePsq;fs; KiwNa a,

b

vdpd; a >

b MFk;.



(2) A, B khj;jpuk; cz;ikahdJ.

(3) A, C Mfpad khj;jpuk; cz;ikahdit.


(5) A, B, C Mfpa vy;yhk; cz;ikahdit.

M. C. Q

P

O

A BC

D

E

ab


04. Xu; Mw;wpy; ePu;g;gug;gpypUe;J 0.8 m Moj;jpYk;> fiuapypUe;J 0.6 m fpilj;Jhuj;jpYk;

rpwpa kPndhd;W cs;sJ. fiuapYs;s fpilj;jiuapd; kl;lj;jpw;F Mw;wpy; ePu;

cz;L. fiuapypUe;J Mff; $baJ vt;tsT Jhuj;jpy; cs;sNghJ> 1.5 m

caukhd kdpjd; kl;Lkl;lhf me;j kPidf; fhzKbAk;?

(ePupd; KwpTr; Rl;b 43

)

(1) 2.00 m (2) 1.50 m (3) 1.25 m

(4) 1.00 m (5) 2.50 m

05. ghj;jpuk; xd;wpy; 6 cm jbg;ghd fz;zhbf; Fw;wp xd;wpw;F NkNy 4 cm Moj;jpw;F

ePu; ,Uf;fpd;wJ. fz;zhbf; Fw;wpapd; mbapypUf;Fk; xU nghUs; NkNyapUe;J

ghu;f;Fk; xUtUf;F vt;tsT cau;e;J Njhd;Wk;? ( w g34n , n

3 2 )

(1) 2 cm (2) 2.5 cm (3) 3 cm

(4) 3.5 cm (5) 7.0 cm

06. tspapy; ,Ue;J nry;Yk; xspf;fjpu; xd;W rkhe;jug; gf;fq;fis cila 1 cm

jbg;ghd fz;zhbf; Fw;wpnahd;wpd; xU Kfj;jpy; 60o gLNfhzj;jpy; gLfpd;wJ.

fz;zhbapd; KwpTr;Rl;b 3 Mf ,Ug;gpd; fz;zhbf; Fw;wpapy; ,Ue;J ntspNaWk;

fjpupd; gf;fg; ngau;r;rp>

(1) 0 (2) 3

cm3

(3) 1

cm3

(4) 2 3

cm3

(5) 3 3

cm3

07. 1.5 KwpTr;Rl;b cila fz;zhbahyhd Xu; miuf; Nfhsj;ij mjd; mr;R

topNa tisgug;gpd; gf;fkpUe;J Nehf;Fk; NghJ 10 cm cau; jbg;G nfhz;ljhff;

fhzg;gLfpd;wJ. mjid mr;R topNa jsg;gug;gpd; gf;fkpUe;J Nehf;Fk; NghJ

mjd; Njhw;wj; jbg;G

(1) 10

cm3

(2) 10

cm7

(3) 20

cm7

(4) 20

cm3

(5) tistpdhiu njupe;jhyd;wpf; $wKbahJ.


08. A ahdJ ePupDs; miuthrp Moj;jpy; cs;s Gs;spahFk;. ePupd;cauk; 4 m ck;

ePupd; KwpTr;Rl;b 43 ck; Mapd; fz;Zf;F A ahdJ jput Nkw;gug;gpypUe;J

vt;tsT cauj;jpy; ,Ug;gjhfj; njd;gLk;?

(1) 2 m (2) 1

m2

(3) 3

m2

(4) 3 m

(5) 1

m4

09. fz; Gs;sp A ,y; ,Uf;Fk; NghJ O [ mtjhdpj;j NghJ O ,d; tpk;gk; Nkw;

fz;zhbg;gug;gpypUe;J 1

m4

fPNo ,Ug;gjhfj; Njhd;Wfpd;wJ. fz;> B ,ypUe;J

O [ mtjhdpj;j NghJ O ,d; tpk;gk; Nkw; fz;zhbg;gug;gpy;

,Uf;ff; fhzg;gLfpd;wJ. ePupd; KwpTr;Rl;b 43 Mapd; H

,d; ngWkhdk;>

(1) 4

m9

(2) 3

m4

(3) 1 m

(4) 2 m (5) 3 m

10. ePu; Nfhsj;Jspnahd;wpy; 1 Nfhzj;jpy; gLfpd;wJ.

Xu; xspf;fjpuhdJ ,uz;L KwpTfSf;Fk;> xU

njwpg;gpw;Fk; cl;gLfpd;wJ. ,f;fjpupdJ tpyfy;

Nfhzk;>

(1) (1 -

2)( - 2

2)

(2) (1 -

2) +

(3) + 2(1 -

2)

(4) (1 -

2) + 2( -

2)

(5) 2(1 -

2) + - 2

2

11. fz;zhbapdhy; nra;ag;gl;l 15 cm gf;fKila rJuKfpf; Fw;wp xd;wpDs; cs;s

rpwpa tspf; Fkpo; xd;W xU Kfj;jpDhlhf Nehf;fg;gLifapy; Njhd;Wk; J}uk;

6 cm MFk;. vjpu; Kfj;jpDhlhf Nehf;Fifapy; Njhd;Wk; J}uk; 4 cm MFk;.

fz;zhbapd; KwpTr; Rl;b>

(1) 2.0 (2) 1.7 (3) 1.5

(4) 1.3 (5) 1.2

H

O

A

B

1

2

2 cm

2 cm

A


12. xspf;fjpu; ePUf;Fs; ,Ue;J fz;zhbapDhlhf nry;Yk; ghijia glk; fhl;Lfpd;wJ.

ePupd; KwpTr;Rl;biaAk;> fz;zhbapd; KwpTr;Rl;biaAk; jUtJ>

(1) 1 1

, sin sin

(2) sin 1

, sin sin

(3) sin 1

, sin sin

(4) sin , sin

(5) 1 sin

, sin sin

13. Miu 3 cm ck; KwpTr;Rl;b 3 ck; cila Nfhsnkhd;wpd; Nkw;gug;gpy; 60o

gLNfhzj;jpy; fjpu; xd;W gLfpd;wJ. fjpu; mLj;j Kfj;jpy; KwptilAkhapd;

fjpupd; tpyfy; Nfhzk;>

(1) 0o (2) 30o (3) 60o

(4) 90o (5) 180o

14. [jhd Clfj;jpypUe;J mlu;e;j Clfj;jpw;F nry;Yk; xspf;fjpupd;>

(1) Ntfk; kl;Lk; khWgLk;

(2) miyePsk; khj;jpuk; khWgLk;

(3) kPbwd; khj;jpuk; khWgLk;

(4) fjpAk; miyePsKk; khWgLk;

(5) kPbwDk; miyePsKk; khwhJ

15. Clfk; A ,ypUe;J B ,w;F miy nry;tij fhl;Lfpd;wJ. Clfk; A ,y;

gLNfhzk; 45o ,y; KwpNfhzk; 30o MFk;. A ,y; miyapd; fjp 0.283 ms-1

Mapd;> B ,y; miyapd; fjp>

(1) 0.200 ms-1

(2) 0.231 ms-1

(3) 0.347 ms-1

(4) 0.400 ms-1

(5) 0.425 ms-1

16. KwpTr;Rl;b 2 MfTs;s jputnkhd;wpDs; xUjsthb itf;fg;gl;L cs;sJ.

jputNkw;gug;gpw;F nrq;Fj;jhfg; gLk; Xu; xspf;fjpu; kPz;Lk; jputNkw;gug;ig kUtp

ntspg;gLfpd;wJ. fpilAld; jsthbapd; rha;T>

(1) 15o

(2) 30o

(3) 45o

(4) 60o

(5) 12o

ePu;

fz;zhb

45o

30o

B

A


16. xU khztd; ePr;ry; jlhfj;jpw;F kpf mUfpy; epw;fpd;whd. ,td; jlhfj;jpd;

mbapy; cs;s fy;iy ghu;fpd;whd;. ,jd; cz;ik Mok; x> ePupd; jdpKwpTr;Rl;b

n MFk;. ePr;ry;j; jlhfj;jpd; mbapy; ,Ue;J fy;ypd; cauk;>

(1) n

x(2) nx (3)

n

x

(4) x (5) (n 1)

n

x

17. ePu;nfhz;l jhq;fp xd;wpDs; Neu;NkNy ,Ue;J Nehf;Fk; NghJ ghj;jpuj;jpDs;

37 gq;fpw;F ePu; ,Ug;gJ Nghy; Njhd;Wfpd;wJ. ePupd; KwpTr;Rl;b 4

3 vdpd;

cz;ikahf ePu; epug;gg;gl;Ls;s gpd;dk;>

(1) 14 (2) 4

7 (3) 12

(4) 57 (5) 6

7

18. Clfk; X ,ypUe;J Clfk; Y ,w;Fr; nry;Yk; xspf; fjpu; xd;wpd; mtjpf;

Nfhzk; MFk;. Clfk; X ,y; xspapd; Ntfk; V vdpd;> Clfk; Y ,y; xspapd;

Ntfk;>

(1) V(1 - cos) (2) Vcos (3) Vsin

(4) V

sin(5)

V

cos

19. 1 m MoKs;s ePu;j; jlhfj;jpDs; xU fk;gk; epiyf;Fj;jhf itf;fg;gl;Ls;sJ.

ePu; kl;lj;jpw;F Nky; mjDauk; 1 m MFk;. ePupd; KwpTr;Rl;b 2 Mf cs;s

NghJ #upa xspahdJ fpilAld; 45o ,y; tpOk; re;ju;g;gj;jpy; jlhfj;jpd;

mbapy; cz;lhFk; epoypd; ePsk;>

(1) 1 m

(2)1

1 m2

(3)1

1 m3

(4) 1 3 m

(5) 1 2 3 m

20. ePupDs; nry;Yk; Xu; xspf;fw;iwnahd;W ePu; - tsp ,ilKfj;jpy; 30o Nfhzj;jpy;

gLfpd;wJ. ntspg;gLk; fw;iw gw;wpa gpd;tUk; $w;Wf;fspy; cz;ikahdJ>

(1)mt;nthspf;fw;iw ePupDs; KO mfj;njwpg;gilAk;.

(2)mt;nthspf;fw;iw ePu;Nkw;gug;ig kUtp ntspg;gLk;.

45o


(3)mt;nthspf;fw;iwapd; tspapDs; ntspg;gLk; ntspg;gLfw;iwapd; mfyKk;

gLfw;iwapd; mfyKk; rkdhFk;.

(4)mt;nthspf;fw;iwapd; tspapDs; ntspg;gLk; ntspg;gLfw;iwapd; mfyk;

gLfw;iwapd; mfyj;ij tplf; Fiwthf ,Uf;Fk;.

(5)mt;nthspf;fw;iwapd; ePupDs; KO mfj;njwpg;gilAk; njwpfw;iwapd; mfyKk;

gLfw;iwapd; mfyKk; rkdhFk;.

21. ePupdJk; fz;zhbapdJk; KwpTr; Rl;bfs; KiwNa 1.3, 1.5 MFk;. fz;zhb -

ePu; ,il Kfj;jpw;Fupa mtjpf; Nfhzk; ahJ?

(1)1 1

sin1.3

(2) 1 1sin

1.5

(3) 1 1.3

sin1.5

(4) 1 1.5

sin1.3

(5) 1 1.3tan

1.5

22. KwpTr;Rl;b n1 cila ePupDhlhf xspf;fjpu; xd;W nrd;W ePu; - tspg;gug;gpy;

mtjpf;Nfhzj;jpy; gLfpd;wJ. KwpTr;Rl;b n2 cila Xu; vz;izg;glyk; ePUf;F

Nky; kpjf;ftplg;gl;lhy; ,t; xspf; fjpupd; KwpNfhzk; vz;izapy;>

(1) 1

1sin n (2)1

1

1sin

n

(3)1

2

1sin

n

(4)1 1

2

nsin

n

(5) 1 2

1

nsin

n

23. miuf;Nfhs fz;zhbf; Fw;wpapd; mtjpf;Nfhzk; 42o MFk;. Fw;wpapy; gLk;

xspf;fjpu; PO ,d; ghijia rupahf jUtJ>

(1) A

(2) B

(3) C

(4) D

(5) E

24. ePUf;Fs;spUe;J i gLNfhznkhd;wpy; js ePu; - tsp ,ilKfk; xd;wpy; gLk;

xspf;fjpu; xd;iwg; gw;wpg; gpd;tUk; $w;Wf;fs; $wg;gl;Ls;sd.

A. i MdJ o90 Mapd;> KwpTf;Nfhzk; mtjpf;NfhzkhapUf;Fk;.

B. i MdJ mtjpf;Nfhzj;jpw;Fr; rkdhapUg;gpd; njwpj;j fjpUk; Kwpe;j fjpUk;

xd;Wf;nfhd;W nrq;Fj;jhf ,Uf;Fk;.

C. i MdJ mtjpf; Nfhzj;ij tpl Fiwthdjhf ,Ug;gpd;> xspf;fjpu; KwptJld;>

KwpTf;Nfhzk; i [ tplf; $lthf ,Uf;Fk;.

NkYs;s $w;Wf;fspy; rupahdJ my;yJ rupahdit>

(1) A kl;Lk; cz;ikahdJ.

(2) B kl;Lk; cz;ikahdJ.

(3) C kl;Lk; cz;ikahdJ.

(4) A, C Mfad kl;Lk; cz;ikahdJ.

(5) B, C Mfpad kl;Lk; cz;ikahdJ.


25. xU epw rkhe;ju xspf;fw;iw xspapay; %yfj;jpy; gl;L fhl;lg;gl;lthW NkyhfTk;

fPohfTk; ntspNaWfpd;wJ. ,jw;Fj; Njitahd xspapd; %yfk;> nfhz;bUg;gJ>

(1)

45o

(2)

60o 60

o

(3)

45o

(4)

45o

45o

(5)

45o

45o


01. $l;L EZf;Ff; fhl;b xd;W 2 cm, 3 cm Ftpa ePsKila FtpT tpy;iyfisf;

nfhz;lJ. nghUspf;F Kd;dhy; 3 cm ,Ys;s nghUs; fUtpapD}L

Nehf;fg;gLfpd;wJ. ,Wjp tpk;gk; Kbtpypapy; cz;lhFkhW mJ nrg;gk;

nra;ag;gl;Ls;sJ. tpy;iyfspd; Ntwhf;fk;>

(1) 6 cm (2) 8 cm (3) 9 cm

(4) 10 cm (5) 12 cm

02. xU Nfhs kioj;JspapDs;Ns A ,y;

GFe;J B, C ,y; ,U njwpg;Gf;fSf;Fl;gl;L

D ,ypUe;J ntspg;gLk; xU epw xspf;fjpu;

xd;W cUtpy; fhzg;gLfpd;wJ. A ,y;

gLNfhzk; i ck; KwpNfhzk; r ck;

MFk;. gLfjpu; njhlu;ghf ntspg;gLfjpupd;

nkhj;j tpyfy;>

(1) i - r

(2) 4(i - r)

(3) 180o + 2i - 4r

(4) 360o + 2i - 6r

(5) 180o + 2i - 6r

03. mupaj;jpD}L gazpf;Fk; fjpupd; gLNfhzk; i1> ntspg;gLNfhzk; i

2> tpyfy;f;

Nfhzk; d MFk;. d MdJ (i1 + i

2) cld; khWgLk; tpjj;ij rupahf tiff;Fwpg;gJ>

.i

r

A

B

C

D

i1

i2

d

A

(1) (2)

(3) (4) (5)

d

i + i1 2

d

i + i1 2

d

i + i1 2

d

i + i1 2

d

i + i1 2

TANUS ntspaPL

A/ L Physics

LIGHT guPl;ir - 02

Nfj;jpufzpj xspapay;


04. xU tpy;iyapd; Kjyhk; jiyikf; Ftpaj;jpw;F ntspNa mjpypUe;J 0.025 m

J}uj;jpy; nghUnshd;W itf;fg;gl;Ls;sJ. mjd; tpk;gk; ,uz;lhk; jiyikf;

Ftpaj;jpw;F mg;ghy; 0.10 m J}uj;jpy; Njhd;Wfpd;wJ. tpy;iyapd; Ftpaj;J}uk;>

(1) 0.040 m (2) 0.050 m (3) 0.250 m

(4) 0.300 m (5) 0.630 m

05. FtpT tpy;iy xd;wpd; Kd;dhy; 50 cm J}uj;jpy; itf;fg;gl;Ls;s nghUs; xd;wpd;

tpk;gk; jpiu xd;wpy; njspthfj; Njhd;wpaJ. tpy;iyiaAk; jpiuiaAk; mirf;fhJ

tpy;iyapd; Kd;dhy; 25 cm J}uj;jpy; itf;fg;gLk; nghUspd; tpk;gj;ij jpiuapy;

ngw;Wf;nfhs;s tpy;iyAld; Nru;f;fNtz;ba ,d;ndhU tpy;iyapd; tY>

(1) - 6 D (2) - 4 D (3) - 2 D

(4) + 2 D (5) + 4 D

06. fz;zhb mupankhd;wpDhlhfr; nry;Yk; xspf; fjpu; xd;W ,opT tpyfy;

milfpd;wJ. ,f;fjpu; ntspg;gLtJ>

(1) ,uz;lhk; Kfj;jpd; nrt;td; topNa

(2) ,uz;lhk; Kfj;ij kUtp

(3) mtjpf; Nfhzj;jpy;

(4) gLfjpUf;F rkhe;jukhf

(5) Nkw;$wg;gl;l vJTky;y

07. mupaj;jpD}L xspf;fjpupd; KwpT gw;wpa gpd;tUk; $w;Wf;fisf; fUJf.

A. gLNfhzk; mjpfupg;gpd; tpyfw; Nfhzk; Fwpj;j xU ngWkhdj;jpypUe;J Fiwe;J

,opTg;ngWkhdk; mile;j gpd; xspf;fjpu; mupaj;jpD}L KwptilahJ.

B. mupaj;jpD}L xspf;fjpu; Kwptiltjw;F mupaf; Nfhzk;> mupaj; jputpaj;jpd;

mtjpf;Nfhzj;jpd; ,Uklq;fpYk; rpwpjhf ,Uj;jy; Ntz;Lk;.

C. rpW Nfhz mupaj;jpy; rpwpa gLNfhzq;fspy; gLk; fjpu;fspy; tpyfy;fs;

rkdhapUf;Fk;.




(3) C khj;jpuk; cz;ikahdJ.


(5) A, B, C Mfpad khj;jpuk; cz;ikahdit.

08. KwpTr;Rl;b n1 cila ePupD}lhf xspf;fjpu; xd;W nrd;W ePu; - tspg;gug;gpy;

mtjpf;Nfhzj;jpy; gLfpd;wJ. KwpTr;Rl;b n2 cila Xu; vz;izg;glyk; ePUf;F

Nky; kpjf;ftplg;gl;lhy; ,t; xspf; fjpupd; KwpNfhzk; vz;izapy;>

(1) 1

1sin (n ) (2) 1

1

1sin

n

(3) 1

2

1sin

n

(4) 1 2

1

nsin

n

(5) 1 1

2

nsin

n


09. FtpT tpy;iy xd;wpd; Ftpaj;jpypUe;J nghUspd; Jhuk; x ,w;Fk;> mNj Gs;spapy;

,Ue;J tpk;gj;jpd; J}uk; y ,w;Fk; fPwg;gLk; tiuG>

10. xspf; fjpu; xd;W mlu;e;j Clfk; xd;wpypUe;J Ijhd Clfk; xd;wpDs; efu;fpd;wJ.

Clfj;jpd; mtjpf;Nfhzk; C vdpd; fjpupd; rhj;jpakhd cau; tpyfy; Nfhzk;>

(1) 0 (2) - C (3) - 2C

(4) 2C (5) C2

11. mupaf; Nfhzk; 70o cila mupaj;jpy; 40o gLNfhzj;jpy; cs;s NghJ ,opT

tpyfy; epiyapy; cs;sJ. mupaj;jpd; KwpTr;Rl;b>

(1)

o

o

sin40

sin20

(2)

o

o

sin40

sin25

(3)

o

o

sin40

sin30

(4)

o

o

sin40

sin35

(5)

o

o

sin40

sin45

12. 12 m Moj;jpy; ,Ue;J ePu; gug;gpD}L thdj;ij mtjhdpf;Fk; RopNahb xUtdpw;F

Njhw;wkspf;Fk; xspf; $k;gpd; Nfhzk;> (ePupd; KwpTr;Rl;b 43 ) MFk;.

(1) 1 4sin3

(2) 1 3sin

4

(3) 1 32sin4

(4) 1 4tan3

(5) 1 32tan

4

(1)y

x

(2)y

x

f

f(3)

y

x

(4)y

x

(5)y

x

40o

70o


13. 1.5 KwpTr;Rl;b cila rkgf;f mupak; xd;wpd; xU Kfj;jpw;F nrq;Fj;jhf xspf;

fjpu; xd;W gLfpd;wJ. fjpupd; tpyfy; Nfhzk;>

(1) 0o (2) 30o (3) 45o

(4) 60o (5) 75o

14. xt;nthd;Wk; KwpTr;Rl;b n IAila %d;W

fz;zhb mupaq;fs; Fw;wp xd;iw mikf;Fk;

tz;zk; glj;jpw; fhl;lg;gl;Ls;sd. fjpupd;

gLNfhzk; 1 MFk;. mJ sin(

1) =

n

2 vDk;

njhlu;igj; jpUg;jpg;gLj;Jfpd;wJ. gLfjpUf;Fk;

ntspg;gLfjpUf;Fk; ,ilg;gl;l tpyfw; Nfhzk;

ahjha; ,Uj;jy; Ntz;Lk;?

(1) 0 (2) 6

(3) 4 (4) 3

(5) 2

15. ePupd; KwpTr;Rl;b 43 MfTk;> tspapNy xspapd; Ntfk; 3 x 108 m s-1 MfTk;

,Ug;gpd;> ePupNy xspapd; Ntfk;>

(1) 2.25 x 108 m s-1 (2) 3 x 108 m s-1 (3) 4 x 108 m s-1

(5) 4.25 x 108 m s-1 (5) 1.2 x 109 m s-1

16. xspf;fjpu; xd;W Nfhs tspf; Fop xd;iwf;

nfhz;l fz;zhbf; Fw;wp xd;WD}lhf cUtpy;

fhl;lg;gl;L cs;sthW nry;fpd;wJ. FopapNy

xspf;fjpupd; ghijia kpfr; rpwe;j Kiwapy;

tiff;Fwpg;gJ>

(1) A (2) B

(3) C (4) D

(5) E

17. 60o mupaf; NfhzKila fz;zhb mupak;

xd;wpd; xU Kfj;jpw;F nrt;tdhfg; gLfpd;w

Xu; xspf;fjpu; OA MFk;. ,f; fjpuhdJ

,uz;lhtJ Kfj;jpNy B ,w; gl;l gpd;du;

ngUk;ghYk;>

(1) BP topNa nry;yf;$Lk;.

(2) BQ topNa nry;yf;$Lk;.

(3) BR topNa nry;yf;$Lk;.

(4) BS topNa nry;yf;$Lk;.

(5) BT topNa nry;yf;$Lk;.

60o

1

30o 45

o

45o

60o

E

A

B

C

D

O

A


18. xU kdpjdpd; ghu;it tPr;R 1 m ,ypUe;J 5 m tiuahFk;. ,k; kdpjdpd; ghu;it

tPr;ir rhjhuz kdpjg;ghu;it tPr;rhf khw;Wtjw;fhf %f;Ff; fz;zhb mzpfpd;whd;.

,t; %f;Ff; fz;zhbapy; tpy;iyfs; nghUj;j Ntz;ba tpjj;ij gpd;tUtdtw;Ws;

rupahff; fhl;LtJ> (,U fz;fSk; xNu FiwghLilad)

19. rpwpjsT jputnkhd;wpid nfhz;bUf;Fk; 30 cm FtpaePsKila Fopthb xd;wpd;

mr;RtopNa Xu; xspg;nghl;L efu;j;jg;gl;lJ. nghl;L MbapypUe;J 50 cm J}uj;jpy;

,Uf;Fk; NghJ nghl;Lk; mjdJ tpk;gKk; guitapd;ikapd;wp nghUe;jf;

fhzg;gl;lJ. mj;jputj;jpd; KwpTr;Rl;b>

(1) 1.0 (2) 1.2 (3) 43

(4) 1.4 (5) 53

20. gdpf;fl;bapdhy; cUthf;fg;gl;l mupakhdJ 1.48 KwpTr; Rl;bia cila

vz;nzapDs; mkpo;j;jg;gl;bUf;fpd;wJ. gdpf;fl;bapd; KwpTr;Rl;b 1.31 MFk;.

cUtpy; fhl;bathW xU epw xspf;fjpu; xdW gLfpd;wJ. fjpu; nry;Yk; ghijia

rupahff; Fwpg;gJ.

(4) (5)

(1) (2) (3)

FopT

FtpT

FtpT

FopT

FtpT

FopT

FopT

FtpT FtpT

FopT


21. mupaj; jpuprpakhdpapy; Ntzpau; mstpilfs; ,uz;bd; kPJ thrpg;Gf;fs;

vLf;fg;gLfpd;wd. gpd;tUtdtw;Ws; vjidr; nrk;ikahf;Ftjw;fhf ,t;thW

nra;ag;gLfpd;wJ?

(1) Ntzpau; mstpilfspd; nrk;ikapd;ik.

(2) guitapd;ik (,lkhW Njhw;w tOf;fs;)

(3) mupa Nkirapd; ikak;> tl;l mstpil ikaj;Jld; nghUe;jhik.

(4) Nkirapd; ikak;> mupaj;jpd; mbapd; ikaj;Jld; nghUe;jhik.

(5) mupaj;jpd; mbapd; ikak;> njhiyfhl;bapd; Row;rp mr;Rld; nghUe;jhik.

22. KwpTr; Rl;b 2 cila gjhu;j;jnkhd;wpdhy; Mf;fg;gl;lJk;. mupaf; Nfhzk;

30o If; nfhz;lJkhd mupnkhd;wpd; xU KwpTg; gf;fj;jpw;F nts;sp G+rg;gl;Ls;sJ.

kw;iwa Kfj;jpy; vg;gLNfhzj;jpy; gLfpd;w xspf;fjpu; kPz;Lk; mNj ghijapy;

njwpg;gpd; gpd; gazk; nra;Ak;>

(1) 60o (2) 45o (3) 30o

(4) 0o (5) 15o

23. ,ay;ghd nrg;gk; nra;ifapy; cs;s xU thdpay; njhiyfhl;bapd; ghu;itj;

Jz;bd; Nky; L ePsKs;s Neu;Nfhnlhd;W tiuag;gl;Ls;sJ. nghUs; tpy;iyapdhy;

,jd; cz;ikahd tpk;gk; xd;W cUthf;fg;gl;lJ. mjd; ePsk; Lo MFk;.

njhiyfhl;bapd; ngupjhf;Fk; tY>

(1) o

L

L(2)

o

o

L L

L L

(3)

o

o

L L

L L

(4) o

L1

L (5)

o

L1

L

24. ePu;j;jlhfnkhd;wpDs; ,Uf;Fk; RopNahb xUtu; mtuJ kpd; #spd; %yk; jlhfj;jpd;

fiuf;F mUfpy; epw;Fk; xUtUf;F rkpf;iQ xd;iw toq;f Ntz;bAs;sJ. ,J

njhlu;ghd gpd;tUk; $w;Wf;fSs; rupahdJ.

(1)xspia epiyf;Fj;jhf Nky; Nehf;fpr; nrYj;j Ntz;Lk;.

(2)xspiaf; fpilahfr; nrYj;j Ntz;Lk;.

(3)Nky; Nehf;fpAk;> epiyf;Fj;Jld; mtjpf;Nfhzj;ij tplf; Fiwe;j Nfhzj;jpYk;

xspia nrYj;j Ntz;Lk;.

(4)Nky; Nehf;fpAk;> epiyf;Fj;Jld; mtjpf;Nfhzj;ij tplf; $ba Nfhzj;jpYk;

xspia nrYj;j Ntz;Lk;.

(5)epiyf;Fj;Jld; o30 Nfhzj;jpy; xspiar; nrYj;j Ntz;Lk;.

25. thdpay; njhiyfhl;b xd;wpd; Nfhzg;ngupjhf;fj;ij mjpfupf;fr; nra;tjw;F>

(1) ghu;itj;Jz;bd; Ftpaj;Jhuj;ij mjpfupf;f Ntz;Lk;.

(2) nghUspapd; Ftpaj;Jhuj;ij Fiwf;f Ntz;Lk;.

(3) ghu;itj; Jz;bd; tYitf; Fiwf;f Ntz;Lk;.

(4) ghu;itj; Jz;Lld; xUf;F tpy;iynahd;iw Nru;f;f Ntz;Lk;.

(5) ghu;itj; Jz;Lld; tpuptpy;iy xd;iw Nru;f;f Ntz;Lk;.


01. rhjhuz fz; xd;wpYs;s tpy;iyapd; cau; Ftpaj;Jhuk; 2.5 cm MFk;. njspTg;

ghu;itapd; tPr;R 25 cm njhlf;fk; Kbtpyp tiuahFk;. fz;tpy;iyapd; ,opTf;

Ftpaj;Jhuk;>

(1) 25

cm11

(2) 11

cm25

(3) 25

cm9

(4) 9

cm25

(5) 1

cm4

02. xspapay; fUtpfs; rk;ge;jkhf gpd;tUk; $w;Wf;fisf; fUJf.

A. $l;L EZf;Ff;fhl;bapy; ,ay;ghd nrg;gQ; nra;if epiyapy; tpy;iyfSf;F

,ilapyhd Jhuk; ,ay;gw;w nrg;gk; nra;if epiyapYk; ghu;f;f ngupjhFk;.

B. thdpay; njhiyfhl;bapy; ,ay;ghd nrg;gQ; nra;if epiyapy; Nfhzg;

ngupjhf;fk; ,ay;gw;w nrg;gQ; nra;if epiyapYk; ghu;f;f rpwpjhFk;.

C. $l;LEZf;Ff;fhl;b> thdpay; njhiyfhl;b Mfpatw;wpy; ghu;itj; Jz;lhdJ

Xu; vspa EZf;Ff; fhl;bahfj; njhopw;gLfpd;wJ.

gpd;tUk; $w;Wf;fspy;>



(3) A, B Mfpad khj;jpuk; cz;ikahdit.


(5) A, B, C Mfpad ahTk; cz;ikahdit.

03. FtpT tpy;iyapy; nghUs; F ,ypUe;J tpy;iyia Nehf;fp efUifapy; tpk;gkhdJ>

(1) KbtpypapypUe;J cUg;ngUj;J tpy;iyia Nehf;fp efUk;.

(2) KbtpypapypUe;J cUr;rpWj;J tpy;iyia Nehf;fp efUk;.

(3) F2 ,ypUe;J cUr;rpWj;J tpy;iyia Nehf;fp efUk;.

(4) F2 ,ypUe;J cUg;ngUj;J tpy;iyia Nehf;fp efUk;.

(5) F ,y; ,Ue;J tpy;iyia Nehf;fp cUg;ngUj;J efUk;.

04. Xu; EZf;Ff; fhl;bapYk;> Xu; njhiyfhl;bapYk; ,U FtpT tpy;iyfs; cs;sd.

,uz;Lk; ,ay;ghd nrg;gk; nra;ifapYs;s NghJ xj;jpUg;gJ>

(1),uz;bYk; kj;jpapYk; cUthFk; tpk;gk; cUg;ngUj;j jiyfPohd kha tpk;gk;.

(2),uz;bYk; ,Wjptpk;gkhdJ njspTg;ghu;itapd; ,opTj;Jhuj;jpy; cUthf;fg;gLk;.

TANUS ntspaPL

A/ L Physics

LIGHT guPl;ir - 03

Nfj;jpufzpj xspapay;


(3),uz;bYk; tpy;iyfspd; ,ilj;JhukhdJ mtw;wpd; Ftpa ePsq;fspd;

$l;Lj;njhiff;F rkdhFk;.

(4),uz;bYk; ,Wjptpk;gkhdJ jiyfPohdJ.

(5),uz;bYk; nghUspahdJ> cau; Ftpa ePsj;ijf; nfhz;bUf;Fk;.

05. FopT tpy;iy xd;wpd; nghUs;j; Jhuk; U cld; tpk;gj;Jhuk; V khWgLk; tpjk;>

06. 60o ,id cila mupaj;jpDhL nry;Yk; gLfjpu;

fspw;Fupa vy;yh epiyfSf;FKupa tpyfy; Nfhzk;

(d) vjpu; gLNfhzk; (i) tiuG mUfpy; jug;gl;Ls;sJ.

i1 ,d; ngWkjp>

(1) 11o 30’ (2) 23o

(3) 48o 30’ (4) 67o

(5) 97o

07. Xu; ,Urkgf;f nrq;Nfhz fz;zhb mupaj;jpy; glj;jpy; fhl;bathW xU epw

xspf;fw;iw xd;W gLfpd;wJ. mupaj;jpy; ,Ue;J ntspNaWk; fjpUf;Fk; gLfjpUf;Fk;

,ilapYs;s tpyfypd; mbg;gilapy; VWtupirg;gLj;Jf.

(1) A, B, C (2) C, B, A (3) C, A, B

(4) B, A, C (5) A, C, B

08. rhjhuz kdpjf; fz;zpdhy;> nka;g;nghUnshd;W njspthf mtjhdpf;fg;gLfpd;wJ.

nghUspw;fhd tpopj;jpiuapy; Njhd;Wk; tpk;gk;>

A. vg;NghJk; cWr;rpWj;jJ.

B. vg;NghJk; nka;ahdJ.

C. vg;NghJk; jiyfPohdJ.

NkYs;s $w;Wf;fspy;>

(1) A, B Mfpad kl;Lk; rupahdit.

(2) A, C Mfpad kl;Lk; rupahdit.

(3) B, C Mfpad kl;Lk; rupahdit.

(4) A, B, C Mfpa vy;yhk; rupahdit.

(5) A, B, C Mfpa ahTk; gpioahdit.

(1)

V

(2) (3) (4) (5)

V V V V

U U U U U

d

i.

37o

i1

A B C


09. xspu; nghUSf;Fk; jpiuf;Fk; ,ilg;gl;l Jhuk; 50 cm MFk;. jpiuapd; jpirapy;

tpy;iy 30 cm ,w;F Clhf efu;j;jg;gLk; NghJ ,d;DNkhu; njspthd tpk;gk;

jpiuapy; Njhd;wpaJ. tpy;iyapd; Ftpa ePsk;>

(1) 8 cm (2) 13 cm (3) 16 cm

(4) 17 cm (5) 32 cm

10. xU $l;L EZf;Ff; fhl;bapd; nkhj;jg; ngupjhf;Fk; tY 15 MFk;. nghUspapd;

ngupjhf;fk; 5 MFk;. ,Wjp tpk;gk; njsptiug; ghu;itapd; ,opTj; Jhuj;jpy;

cz;lhFk; vdpd; ghu;itj; Jzpbd; Ftpaj; Jhuk;>

(1) 25 cm (2) 25

cm2

(3) 25

cm3

(4) 25

cm10

(5) 25

cm14

11. fz;zpdhy; ,U Gs;spfSf;fpilapyhd Jhuj;ij NtWgLj;jp mtjhdpg;gjw;F

mtw;Wf;fpilapyhd ,opTj;Jhuk; 1 x 10-3 m Mf ,Uf;f Ntz;Lk;. 4 x 10-5 m

,ilj; Jhuj;jpYs;s ,U Gs;spfis NtWgLj;jp mtjhdpg;gjw;Fj; Njitahd

$l;LEZf;Ff; fhl;bapd; ,opTf; Nfhzg;ngupjhf;fk;>

(1) 25 (2) 50 (3) 100

(4) 200 (5) 500

12. 20 cm Ftpaj;Jhuk; cila vspa EZf;Ff; fhl;bnahd;wpd; cau;

Nfhzg;ngupjhf;fj;jpw;Fk; ,opT Nfhzg;ngupjhf;fj;jpw;Fk; ,ilapyhd tpj;jpahrk;>

(1) 1 (2) 2 (3) 4

(4) 20 (5) 25

13. tspapypUe;J ePu;Nkw;gug;gpy; gLk; xU fjpu;

KwptiltJld; njwpg;Gk; milfpd;wJ.

njwpj;j Kwpe;j fjpu;fSf;fpilapyhd Nfhzk;

90o MFk;. jputj;jpd; KwpTr;Rl;b 3 vdpd;

fjpupd; gLNfhzk; ahJ?

(1) 0o

(2) 30o

(3) 45o

(4) 60o

(5) 90o

14. fz;zhbf; Fw;wp xd;wpd; KwpTr;Rl;b n MFk;. ntw;wplj;jpy; C fjpiaf; nfhz;l

xspf;fjpuhdJ d jbg;Gila fz;zhbf; Fw;wpapDhL gazpf;f vLj;j cau;

Neuk;>

(1)

2

2

dn

C n 1(2) 2

dn

C n 1(3)

2dn

C

(4) dn

C(5)

2

2

dn

C d 1


15. mr;rplg;gl;l gf;fnkhd;Wf;F kpff; fpl;lf; FtpT tpy;iynahd;W gpbf;fg;gl;bUf;fpd;wJ.

,t;tpy;iyia mg;gf;fj;Jf;Fr; rkhe;jukhfg; gpbj;Jf; nfhz;L tyg;gf;fj;jpw;F

mirf;Fk; NghJ> tpy;iyapDhlhff; fhzg;gLk; vOj;Jf;fspd; tpk;gk;> fz;

njhlu;ghf>

(1) ,lg;gf;fj;Jf;F mirAk;.

(2) tyg;gf;fj;Jf;F mirAk;.

(3) NkNy nry;Yk;.

(4) fPNo nry;Yk;.

(5) mirahJ.

16. R cm MiuAila cUistbt ePu;j;jhq;fp xd;wpypUe;J rPuhd tPjj;jpy; ePu;

ntspnaw;wg;gLk; NghJ ePupd; Njhw;w Mok; x cm/min vDk; tPjj;jpy; tPo;r;rpaile;jJ.

tspapdJk;> ePupdJk; KwpTr;Rl;bfs; KiwNa n1, n

2 vdpd; jhq;fpapypUe;J ePu;

ntspNaWk; tPjk; 3cm / min ,y;>

(1) 2 1

2

nx R

n (2)

2 2

1

nx R

n (3)

1

2

n2 R

n

(4) 2

1

n2 R

n (5) 2R x

17. 6 cm MiuAila fz;zhbf; Nfhsk; xd;wpd; ikaj;jpy; xU Gs;spg; nghUs;

itf;fg;gl;Ls;sJ. fz;zhbapd; KwpTr; Rl;b 1.5 MFk;. Nfhs Nkw;gug;gpypUe;J

tpk;gk; Njhd;Wk; Jhuk;>

(1) 2 cm (2) 4 cm (3) 5 cm

(4) 6 cm (5) 12 cm

18. fpilNkirapy; cs;s rkgf;f mupaj;jpy; xU

fjpu; gLtij glk; fhl;Lfpd;wJ. fjpu; fhl;ba

epiyapy; ,opT tpyfy; milAk; vdpd;>

(1) PQ fpilahf ,Uf;Fk;.

(2) QR fpilahf ,Uf;Fk;.

(3) RS fpilahf ,Uf;Fk;.

(4) PQ my;yJ RS fpilahf ,Uf;Fk;.

(5) xU fjpUNk fpilahf ,Uf;fhJ.

19. nts;nshspahdJ fz;zhb tsp ,ilKfj;jpy;

gl;L gr;ir xsp nghJ Nkw;gug;ig kUtpr; nry;tJ

fhl;lg;gl;Ls;sJ. tspapDs; ntspg;gLk; fjpu;>

(1) kQ;rs;> nrk;kQ;rs;> rptg;G vd;gdthFk;.

(2) Cjh> fUePyk;> ePyk; vd;gdthFk;.

(3) vy;yh epwf; fjpu;fSk;.

(4) gr;ir jtpu;e;j vy;yh epwf; fjpu;fSk;.

(5) vy;yh fjpu;fSk; KOTl; njwpg;gilAk;.


20. tspapy; nry;Yk; xspf;fjpu; xd;W tsp - jput ,ilKfk; XY ,y; gLfpd;wJ.

jputj;jpd; KwpTr; Rl;b 1 MFk;. fjpu; ab, bc vd;gtw;Wf;F ,ilapyhd Nfhzk;

MFk;. fjpu; nrt;tf fz;zhbf; Fw;wp ABCD ,DhL Kwptile;J

ntspNaWfpd;wJ. Kfk; AB MdJ XY cld; Nfhzj;ij mikf;f;fpd;wJ.

ntspg;gLfjpu; de MFk;. fz;zhbapd;

KwpTr;Rl;b 2 vdpd; fjpu;fs; ab, de

fSf;fpilapyhd Nfhzk;>

(1) 0

(2) (3)

(4) 1 1

2

sin

(5) 1 1

2

sin

21. 20 cm Ftpa ePsKk; 5 cm tpl;lKk; cila FtpT tpy;iy AB topNa ,UgFjpfshf

ntl;lg;gLfpd;wJ. glj;jpy; fhl;lg;gl;Ls;sthW tpy;iyapd; epow;wpa gFjp Gs;spg;

nghUs; P ,ypUe;J 30 cm Jhuj;jpy; NfhL XY topNa itf;fg;gLfpd;wJ. ,f;NfhL

XY MdJ tpy;iyapd; jsj;jpw;F nrq;Fj;jhf cs;sJ. Gs;spg; nghUs; P ,d;

tpk;gk; cUthFtJ>

(1) NfhL XY ,y;.

(2) NfhL XY ,w;F 1cm fPNo.

(3) NfhL XY ,w;F 1.5cm fPNo

(4) NfhL XY ,w;F 0.5cm fPNo

(5) NfhL XY ,w;F 0.5cm NkNy

22. miutl;l fz;zhbf; Fw;wp xd;wpd; Kwptr; Rl;b 2 MFk;. ,J Xu; fpilj;jsj;jpd;

kPJ itf;fg;gl;Ls;sij cU fhl;Lfpd;wJ. P ,Ys;s g+r;rp miutl;lg; ghij

topNa glj;jpy; fhl;bathW epiyf;Fj;J

Nkw;gug;gpd; topNa 3 os-1 vd;Dk; Nfhz

Ntfj;Jld; nry;Yfpd;wJ. Q, R ,w;F ,ilNa

,Ue;J g+r;rpia mtjhdpf;Fk; mtjhdpf;F

vf;fhy ,ilntspapy; g+r;rpahdJ kiwAk;?

(1) 5 s

(2) 10 s

(3) 15 s

(4) 20 s

(5) 30 s

X Y

Air

2

1

A

B

C

D

a

b

c

d

e

5cm

2cm 2cm

X YP 30cm

A B

P

R

Q

g+r;rp mirAk;fz;zhbapd; Nkw;gug;G


23. FtpT tpy;iynahd;wpdhy; cUthFk; cz;ik tpk;gj;

Jhuj;jpw;Fk; v > cUg;ngUf;fk; m ,w;Fk; ,ilNaahd

njhlu;ig mUNfAs;s tiuG fhl;Lfpd;wJ. tpy;iyapd;

Ftpaj; Jhuk;> ( v tpk;gj; Jhuj;jpd; ngWkhdj;ij kl;Lk;

Fwpf;fpd;wJ.)

(1) bc

(2) cb

(3) a (4) abc

(5) acb

24. xU njhiyfhl;b toikahd nrg;gk; nra;ifapy; cs;s NghJ mjd; cUg;ngUf;f

tY M MFk;. ,g;NghJ ghu;itj;Jz;L Jhug;nghUis Nehf;fp ,Uf;ff; $bathW

jpUg;gg;gl;L nghUspf;F mUfpy; fz;iz itj;J mtjhdpf;Fk; NghJ cUg;ngUf;f

tY>

(1) 1

M(2)

1

M 1(3)

1

M 1

(4) M 1

M 1

(5) M 1

M 1

25.1n KwpTr;Rl;b cila xU nrt;tf fz;zhbf; Fw;wp ABCD MdJ

2n

KwpTr;Rl;bAila xU Clfj;jpy; mkpo;j;jp itf;fg;gl;Ls;sJ. 1 2n n MFk;.

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(1) 1 11 2

2 1

n nsin cos sin

n n

(2) 1 1

1

2

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n

(3) 1 1

2

nsin

n

(4) 1 2

1

nsin

n

(5) 1

1

1sin

n

ImI

IvI

b

a c

A B

CD

n1

n2

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