ld,h meh 01 ls'

 

1.     my; i|yka tajdhska ljrla uQ,sl fN!;sl rdYshl tallhla fkdjkafka o@

          (1) kg             (2) mol                 (3) A^o             (4) s         (5) m

2.     uhsfl%dógr bial=remamq wdudkhl jd;a; mrsudKh fldgia 50 lg fnod we;' osod,h tla jghla N%uKh lrkq ,nk úg boao 0.05 cm bosrshg .uka lrhs kï WmlrKfha l=vdu ñkqu jkafka"

    (1) 0.01 cm         (2) 0.001 cm         (3) 0.002 cm         (4) 0.0005 cm      (5) 0.0001 cm

  

3.     rEmfha ±lafjk mßÈ wrh R yd ialkaOh M jQ jD;a;dldr ;eáhla" Wi R/2
jQ .eÜgla yd iam¾Yj we;' ;eáh .eÜfgka by<g tiùug ;eáfha by<u ,ËHfhka fhosh hq;= wju ;sria n,h jkqfha" 

     (1) Mg            (2) 2Mg            (3)         (4)         (5)

 

R/2

R

 

4.    ;srig 45^o la wdk;j m%fËam l< jia;=jl p,s; m:h ms<sn| my; i|yka m%ia;dr i,ld n,kak'

 

    by; m%ia;dr j,ska jia;=fõ isria úia:dmkh ld,h iuÕ úp,kh iy ;sria úia:dmkh ld,h iuÕ úp,kh ms,sfj,ska olajd we;s m%ia;dr fol jkafka"

 

    (1) a yd b
        (2) b yd c
        (3) b yd a
        (4) b yd d
        (5) c yd b

 

 

 

5.    ;sria jD;a;dldr m:hl msysá A kï ia:dkfhka tljr m%;s úreoaO osYdj,g p,s; ùug mgka .kakd i¾jiu l=vd wxY= folla i,lkak' rEmfha olajd we;s f,i wdrïNfha oS iam¾YSh osYdj,g tajdfha m%fõ. ms<sfj,ska v yd 2v fõ' bka wk;=rej jD;a;dldr m:h ;=, oS tajdfha we;s jk .egqï mQ¾K m%;Hia: nj;a w;r ueo oS tajd ksh; m%fõ.j,ska .uka .kakd nj;a ie,lkak' ñka wk;=rej wxY= fol h<s;a A ysoS yuqjkafka .egqï fldmuK ixLHdjlg miqj o?

 

    (1) 4            (2) 3            (3) 2        (4) 1         (5) A ysoS yuqúh fkdyel'

  

6.     m%Odk mßudKfha 49 mm È.la" jZksh¾ fldgia 50 lg fnod idod we;s jZksh¾ WmlrKhlska uksk ,o È.la 6.048 cm f,i oela fõ' fuu ñkqug wod, iumd; jk jZksh¾ fldgia .Kk"

 

    (1) 48 fõ'        (2) 25 fõ'        (3) 24 fõ'        (4) 2 fõ'        (5) 1 fõ'

  

7.    mD:súfha wrh R fõ' mD:sú mDIaGfha isg ms<sfj,ska 2R yd 3R by<ska msysá jD;a;dldr lËj, p,s; jk pkaøsld foll flakaødNsidrS ;ajrK w;r wkqmd;h jkafka"

 

    (1) 3/2            (2) 4/2            (3) 4/9            (4) 16/9            (5) 1        

 8.     fudag¾ r:hla hï ud¾.hl 40 km h^-1 fõ.fhka .uka lrk wjia:djl ;srsx. fhdod keje;aúh yels wju ÿr 20 m fõ' tu r:h ru ud¾.fhau 80 km h^-1 fõ.fhka .uka lrk wjia:djl oS ;srsx. fhdod r:h keje;aúh yels wju ÿr jkafka"

 

    (1) 20 m        (2) 30 m        (3) 40 m        (4) 60 m        (5) 80 m        

9.        ieye,a¨ ÿkakla tys by< fl<jfrka isú,sfï t,a,d tys my< fl<jrg ialkaOh 0.2 kg jQ wxY=jla .eg.id we;' wm%;Hia: ;ka;=jla uÕska fuu wxY=jg ialkaOh 0.1 kg jQ fjk;a wxY=jla wE|d moaO;sh iu;=,s;j ;nd we;' ËKslj ;ka;=j lmd yershfyd;a 0.2 kg ialkaOfha ;ajrKh jkafka"

 

    (1) Y=kH fõ'    (2) 5 m s^-2 my<g    (3) 5 m s^-2 by<g    (4) 10 m s^-2 by<g    (5) 10 m s^-2
my<g

 

    

10.        l os.e;s taldldr nr oKavla R₁ yd R₂ keue;s isria n, folla uÕska ;sriaj iu;=,s;;djfha ;nd we;' oKafâ fofl<jr isg tu n,hka folg ÿrj,a rEmfha oelafõ' R₁
yd R₂ w;r iïnkaOh jkqfha"

 

    

    (1) R₁ =2R₂     (2) 3R₁ =2R₂    (3) 2R₁ =3R₂        (4) 8R₁ =3R₂        (5) 3R₁ =8R₂    

 

 

11.        u ksh; m%fõ.fhka .uka lrk X ÿïrshla t = 0 oS ÿïrsh ia:dkhla miq lrhs' Y kï ;j;a ÿïrshla t = 0 oS tu ÿïrsh ia:dkfhka ksYap,;djfha isg iudka;r uÕl tu osYdjgu .uka wrUd t = t₂ jk úg rEmfha olajd we;s mrsos 2u m%fõ.hla ,nd .kS' bka miq Y ÿïrsh ukaokh ù t = t₄ jk úg ;j;a ÿïrsh ia:dkhlg meñK k;r fõ' X yd Y ys p,s;h ms<sn| lr we;s my; i|yka m%ldY j,ska l=ula i;H fkdfõ o?

 

 

 

 

 

 

 

 

 

 

 

(1)     Y ÿïrsh X ÿïrsh miq lrkafka t = t₂ oS h'        

(2)     X ÿïrsh Y ÿïrsh miq lrkafka t = t₃ oS h'        

(3)    t = t₃ oS Y yd X ÿïrsh folgu tlu m%fõ.hla we;'        

(4)     X ÿïrsh Y ÿïrsh miq lrkafka t = t₄ oS h'        

(5)     Y yd X ÿïrsh folu ÿïrsh ia:dk fol w;r .uka lrkafka tlu idudkH       m%fõ.fhka h'    

  

12.         taldldr ;=kS lïìhlska idok ,o ialkaOh M jQ j<,a,l A ,CIHh ^a rEmh& ;=<ska jQ j<,af,a ;,hg ,ïnl wCIhla jgd wjiaÓ;s >Q¾Kh 2MR² fõ' b rEmfha fmkajd we;s mßÈ th S yevhg keuQ úg tu wCIhu jgd wjiaÓ;s >Q¾Kh jkqfha"

 

    (1) 0         (2)        (3) MR²            (4)        (5) 2MR²

 

13.     mßudKhg w¢k ,o F₁ isg F₈ olajd we;s tal;, n, moaO;shla rEmfha fmkajd we;s mßÈ O ,CIHdldr jia;=jla u; l%shdlrhs' iïm%hqla; n,h ±lafjk ffoYslh jvd;a u úh yelafla"

    

    (1)             (2)             (3)             

    (4)             (5)

 

14. fmd<fjka h Wil isg ksh; fõ.hlska wd;k ;,hla Èf.a my<g ,siaid tk ialkaOh m jQ ,S l=Üáhla rEmfha fmkajd we;' th wdk; ;,fha my<g <Õdjk wjia:dj jk úg >¾IKh ksid ydks jQ uq¿ Yla;sh"

 

(1)         (2)         (3) mhg tan q      (4) mgh         (5) 0

 

15.     wxY=jla wrh 10 m jQ jD;a;dldr m:hl .uka lrhs' tla fudfyd;l § wxY=fõ fõ.h 10 m s^-1 jk w;r tu fõ.h 10 m s^-2 l iS>%;djhlska jeã fjñka mj;S' tu fudfydf;a § wxY=fõ m%fõ. ffoYslh iy iïm%hqla; ;ajrK ffoYslh w;r fldaKh jkqfha"

 

    (1) 0°             (2) 30°            (3) 45°            (4) 60°            (5) 90°

16.     mDÓúh jgd lCI .; jQ pkaøsldjla ;=< w;a±lSug ,efnk nr rys; Ndjh ms<sn|j lr we;s my; ±lafjk m%ldY i,ld n,kak'

(A)     nr rys; Ndjh we;s jkafka tjeks Wil mj;sk fkdi,ld yeßh yels ;rï l=vd .=re;ajh ksidh'

(B)     nr rys; Ndjh ksid pkaøsldj ;=< p,s;fha fhfok mqoa.,fhl=f.a .uH;djh Y=kH fõ'

(C)     nr rys; Ndjh ksid pkaøsldj ;=< iajNdúl ;dm ixjyk Odrd we;s úh fkdyelsh'

by; m%ldYj,ska

(1) A muKla i;H fõ'                (2) C muKla i;H fõ'    

(3) A iy C muKla i;H fõ'            (4) A, B iy C hk ish,a, u i;H fõ'    

(5) A, B iy C hk ish,a, u wi;H fõ'

        

17.    ;sri iuÕ 45^o l fldAKhla idok f,i mkaÿjla K pd,l Yla;sfhka m%fËamkh lrKq ,efí' mkaÿfõ m:fha Wmrsu ,ËHfha oS tys pd,l Yla;sh úh yelafla"

 

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

 

18.    50 ms^-1 m%fõ.fhka p,s; jk WKavhla b,lalhlg jeoS th;=, d
^ógr& ÿrla p,s; fõ' tu fõ.fhkau d/2 m<,la we;s b,lalhlg úoskq ,enqjfyd;a th b,lalfhka msgjk m%fõ.h m s^-1
j,ska jkafka" ^wjia:d fofla oS u p,s;hg we;sjk m%;sfrdaë n,h taldldr yd tl iudk jk nj Wml,amkh lrkak'&

 

    (1)         (2)         (3) 50 ms^-1         (4)      (5) 20 ms^-1

 

19.    ksYap,;djfha mj;sk cj frdaohla tys N%uK iS>%;djh 6 s ld,hla ;=, oS 540 rpm olajd jeä lr .kS' tys fldaKsl ;ajrKh rad s^-2
j,ska"

 

    (1)              (2)                  (3)              (4)      (5) 90

 

20.    ialkaOh 2 kg jQ jia;=jla wrh 5 m jk jD;a;dldr m:hl lrlefõ' th ;;amrhg jg 10la lrlefõ kï" tys flakaødNsidrs ;ajrKh m s^-2
j,ska"

 

    (1)         (2)         (3)         (4) 5000      (5)

 

21.     33 rpm N%uK iS>%;djhla we;s .%euf*daka ;eáhl wlaIfha isg 16 cm g jvd ÿrska ldishla ;enQ úg ldish bj;g úis ù hhs' ;eáh 66 rpm iS>%;djhlska N%uKh jk úg th ;eáfha wlaIfha isg fldmuK ÿrlg jvd jeäfhka ;enQ úg th bj;g úis fõ o@

 

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

 

22.    jD;a;dldr ;eáhl yevhla we;s nUr pl% wdldrfha .sks fl<s j¾.hla oykh u.ska ckkh jk ksh; m%;sl%shd n,hlska Z- wCIh jgd iqug ;sria fmd<jla u; rEmfha ±lafjk mßÈ N%uK p,s;hla isÿ lrhs' nUr pl%h È.g u taldldr jD;a;dldr ;eáhl yevh mj;ajd.kq ,efí hhs o" tys wCIh jgd wjiaÓ;s >Q¾Kh
fõ hehs Wml,amkh lrkak' oykh fjñka mj;sk nUr pl%fha hï fudfyd;l § ialkaOh" wrh" flda‚l m%fõ.h iy flda‚l ;ajrKh ms<sfj,ska m, r, w iy a fõ kï"

 

(1) mra ksh; fõ'        (2) mr²a ksh; fõ'    

(3) rw ksh; fõ'        (4) mr²w ksh; fõ'        

(5) mr²w² ksh; fõ'

  

23.    ueIska ;=jlal=jlska ;;amrhla ;=, oS ialkaOh m
jk WKav n
ixLHdjla msg fõ' WKavhla ;=jlal= nf|ka msgjk fõ.h u
kï ;=jlal=j jdx.=jk n,h jkafka"

 

    (1) mng         (2) mnug         (3)          (4)         (5) mnu

 

24.    0.2 ms^-1 fõ.fhka ;sriaj p,s; jk máhla u;g 2 kg s^-1
iS>%;djfhka isriaj je,s jefÜ' máh tf,iu p,s; lrùu i|yd wjYH wu;r cjh fldmuK o@

 

    (1) 0.08 W        (2)8W        (3) 1 W            (4) 0.4 W        (5) ) 0.04W

25.    jia;=jl fldAKsl .uH;djh 50% lska jeä jqjfyd;a tys N%uK pd,l Yla;sh jeä jk m%;sY;h"

    (1) 50 %            (2) 100 %        (3) 150 %         (4) 200%    (5) 125 %

 

ksjeros ms<s;=re

 

 

1	--	6	--	11	--	16	--	21	t
2		7		12		17		22
3		8		13		18		23
4		9		14		19		24
5		10		15		20		25