11 - fY%aKsh fmryqre

úoHdj ms<s;=re m;%h

1-4 11 - 1 21 - 2 31 - 3

2-3 12 - 1 22 - 2 32 - 1

3-4 13 - 2 23 - 3 33 - 3

4-3 14 - 2 24 - 1 34 - 2

5-3 15 - 2 25 - 4 35 - 2

6-2 16 - 3 26 - 3 36 - 4

7-1 17 - 2 27 - 1 37 - 4

8-9 18 - 2 28 - 1 38 - 2

9-4 19 - 1 29 - 2 39 - 3

10 - 3 20 - 1 30 - 2 40 - 1

II - fldgi

^1& I. jdhqf.da,h" Ys,df.da,h yd c,f.da,h Tiafia w;HjYH ridhksl ix>gl pl%sh ixirKh
ùu ^,'1&

II. khsá%cka" ldnka ^tllg ,l=Kq ke;' ^,'1&

III. w' P ^1&

wd' Q yd R ^1&

b' E ^1& ^,'3&

VI. w' nelaàßhd ^,'1&

wd' khsfg%dfidudkdia $ yhsfg%dnelag¾ $ ishqfvdfudkdia ^,'1&

;fhdaneis,ia ^,'1&

V. w' jdhqf.da,Sh ;sr lsÍu $ ffcùh ;srlsÍu ^tllg& ^,'1&

wd' ld¾ñl ;srlsru ^,'1&

VI. iajNdúl mdßißl iu;=,s;dj mj;akd .ekSu ^,'1&

B I. ld¾ólrK $ kd.ÍlrK $ jdksc lDIsl¾udka;h

ld¾ñl jdß moaO;s $ Yla;s Ndú;h jeäùu ^2 lg& ^,'2&

II. fnda fkdjk frda. jeä ùu ^,'1&

III. ks,yßk we,a.s úI $ lDIs ridhk $ nerf,day$*af,darhsâ YÍr .; ùu" úc,kh"

md,khlska f;dr T!IO fjkqjg Ndú;hg $ u;aøjH ^,'2&

^jeks fya;= 2la& ^,'15&

^3& (A) ,l=KQ

I. E 01
II. 2,8 01
III. :C C: 01
IV. CA3 01
V. D 01
VI. G 01
VII. whksl nkaOk 01

(B) (i) ld, tallhl § isÿjk úm¾hdi m%udKh - ^01&

(ii) ksYaÑ; ld, iSudjka ;=< § jeh jQ m%;l

s %shl m%udKh fyda ksmo jQ M, m%udKh uek
ne,Su

ksYaÑ; m%;sl%shl m%udKhla jehùug fyda ksYaÑ; M, m%udKhla ksmoùug .; jQ ld,h

uekSu' ^01&

(iii) (a) WIaK;ajfha n,mEu ^01&

(b) 60oC WIaK;ajfha iys; k<fha ødjKh blaukska wj¾K ùu

30oC WIaK;ajfha we;s k<fha ødjKh wj¾K ùug .; jk ld,h jeä nj - ^01&

(B) (i) 2H2O2 2H2O + O2 (02)

(ii) MnO2 ^uex.kSia vfhdlaihsâ & fyda fjk;a W;afm%arlhka ^01&

(iii) H2SO4 ^i,a*shqßla wï,h& ^01&

(B) (i) 2H2O2 2H2O + O2 (16 x2)
(02)

(ii) H2O2 2mol lska 32g

1 mol 16g ^,'15&

^4& A. I. V ( ) W;=rg

iúlrKhg $ wdfoaYhg - ^,'01&

tall iys; ms,sfj, - ^,'01&

II. ksYap, ldph - ^,'01&

m%fõ.h (ms-1)

4 (1)
2
(1) (1)
0 5 ld,h S
10 15 20
2

4
6
8
10 (1)
12

(1)

(1)
(1)
I

O (1)
C F
(1)
I. ukdj ksjerÈ oelaùug ^,' 01&
II. lsrK 2 la we§ug ^,' 01&
III. 5cm ^,' 01&
 IV. 1' ;d;aúlh ^,' 01& ,' 02
2' hál=reh ^,' 01&

V. 1' o;aa mÍlaId lsÍug

2' iQ¾h Wªka j,g 2 lg ,' 02
3' rEm,djkH lghq;= $/jq, nEu
,l=Kq 15

rpkd - m%Yak wxl 5

^5& (A) i. a. Ydlhlska ,nd .;a ´kEu ðú j¾Ol mgl fldgila md,kh l< ;;aj hgf;a
frdamK udOH ;=< j.d lr ud;D Ydlhg m%fõKslj i¾jiu jQ kj Ydl - laf,dakh
^,' 01&

b. uõ Ydlfhka ,nd.;a j¾Ol mgl fldgi - lsrKh' ^,' 01&

ii. iqfl%daia" LKsc ,jK" úgñka" j¾Ol øjH ^,' 01&

iii. tu udOHh ;=< fjk;a laIqøÔúka j¾Okh ùu .e,fmk ms<s;=rlg ^,' 01&

iv. mqIamhl mßK; mrd. tu úfYaIfhau mqIaml l,xlh u; ;ekam;a ùu .e,fmk

ms<s;=rg ^,' 01&

v. mqIam iqj|j;a ùu" mqIam úYd, ùu jeks ^,' 02&

vi. Tlaisck" f;;ukh" WIaK;ajh ^,' 01&

vii. wkqch" .%dylh ^,' 01&

viii.a. my< isg by<g ^,' 01&

b. noaOh isÿ l< ia:dkhg c,h we;=`M ùu je<elaùug ^,' 01&

wdf,dal Yla;sh
B i. 6CO2 + bH2O C6H12O2 + 6O2 ^,' 01&
yß;m%o
ii. a. CO2 jdhqj wjfYdaIKhg ^,' 02&

b. KOH c,fha Èhlr we;s ksid $ H2O idOlh u¨ folgu iudk lsÍu

iv. whãka ødjK

C i. A. wNsjdks Ouksldj ii. w;smßi%djkh ^,' 01&

B. wmjdys Ouksldj iii. wmjdys Ouksldfõ' ^B)

C. .=Éýldj úIalïNh wNsjks Ouksldfõ^A)

D . ix.%dyl kd,sldj ^,'2) (A) úIalïNh jvd wvqh'^,' 01&

,l=Kq 20

^6& A) I. f,dayh jgd we;s f,day Tlaihsvh bj;a lsÍuhs' ^,'2&

II. Mg(s) + H2O(g) Mg(s) + H2 (g) ^,' 2)

III. H2 ^,' 1)

IV. oe,afjk mq`M.= ;Srla we;=,a l,úg zz fmd;a ZZ y`v iuÕ oeùu' ^,' 2)

IV. hlv" w¨ñkshï" ue.akSihï ^,' 2)

B) (i) wp, l,dmh" ip, l,dmh ^,' 2)

(ii) jdIamYs,s fkdjk ix>gl mej;Su ^,' 1)

(iii) a) F j¾Kl wp, l,dmhg we;s wl¾YKShNdjh jeäùu ksid by<g úia:dmkh ùfï
YS>%;djh wvqhs'

b) H j¾Kl wp, l,dmhg we;s wl¾YKShNdjh wvq ksid by<g úia:dmkh ùfï YS>%;djh
jeähs' ^,' 2)

(iv) - lelEreï k<fha iam¾Y fkdùu

- ødjlfha u| jYfhka im¾Y ùu jeks .e,fmk ms<s;=rg ^,' 1)

(v) weisfuda,a $ B;¾ ^,' 1)

(vi) - mdkSh c,h iuÕ úI iys; ix>gl ñY% ù we;s nj ne,Sug

- wdydr iuÕ wys;lr ix>gl ñY% ù we;s nj ne,Sug

- YDlj, we;s ridhksl øjH yªkd.ekSug

- T!IOj, we;s ix>gl y`ÿkd.eksug ^,' 1)

(vii) >k;ajh ^,' 1)

 iudk;dj - ^,' 2)
iudk;djhka yd wiudk;djka oelaùug
wiudk;dj -

^7& A. I) fuhg 240 fjda,aàh;djhla ,ndÿka úg ^,' 2)

;;amr 1 l§ 1200J Yla;s m%pdrKhla iïfm%aIKh lrhs

II) úoHq;a Yla;sh ;dm Yla;sh ^,' 2)

III) isyska iE§u" jvd È.g iE§u ^,' 1)

IV) úoHq;a mßjdrl ùu $ ;dm ikakdhl ùu tllg ^,' 1)

V) P = VI

I= ^,' 2)

VI) (a) Q = M C

= 1.5 x 4200 x 7J

= 472500J ^,' 1)

(b) =

= 393.7S ^,' 1)

(B) (I) 50 N x 2 m - 01 ^,' 2)

100Nm jdudj¾; 01

(II) 100 Nm = w + 50Nm

100Nm - 50Nm = W

50Nm = w x 1m

50N = W ^,' 2)

(III) 50 + 50 + 25 = 125N ^,' 1)

(IV) Y=kH fõ'^0& ^,' 1)

(C) I. m%fõ.h " ialkaOh ^,' 2)

 (II) P = mv

= 500 kg x 4ms-1

= 2000kg ms-1 W;=rg ^,' 2)

uq`M ,l=Kq 20

^8& (A) (i) ^w& A - ixfõol wjhjh

B - ixfõol kshqfrdakh

C - wka;¾ydr kshqfrdakh

D - pd,l kshqfrdakh ^,' 2)

^wd& B (sensory) D (motor)

- ffi, foayh kshqfrdakfha uOHfha - ffi, foayh kshqfrdakfha
msysghs' fl,jf¾ msysghs'
- wlikh D jvd È.ska wvq fõ' - wlaikh È.ska hqla;h'

^,' 2)
ii. fÄgh i%djh $ wia msh jeiSu ^,'2&
iii. m%;Sl l%shd fud<fhys wkqoekqula fkdue;sj isÿjk ksid wksÉpdkql fõ' ^,'2&
iv. wk;=re j<lajd .ekSu jeks ms<s;=rlg ^,'1&

v. ldnksl ixfhda.hls $ reêrh ydryd .uka lrhs' tla ;ek; ksIamdokh ù ;j;a ;ekl
l%shd;aul fõ' l=vd idkaøKhla m%udKj;a fõ' ^,'2&

(B) I. wdf,dalh ^,'1&

-1
II. 350 ms x 6S
2100m ^,'2&
III. V = f

^,'2&

IV. jeä fõ' ^,'1&

V. uV/ x lsrK $ .eud lsrK ^follg& ^,'2&
VI. w' cdk úlD;s $ ms<sld wjodku ^,'1&
wd' w;sèjks mßf,dalkh ^,'1&
uq`M ,l=Kq 20
(9) (A) (i) P - wefkdavh Q - lef;davh - ^,'1&

(ii) P - wi,g - C laf,daÍka iDK whk $ laf,darhsâ whk

Q - wi,g - fidaähï Ok whk $ fidaähï whk - ^,'1&

(iii) P - wi, w¾O m%;sl%shdj

2 ^,'2&

(iv) wefkdavh yd lef;davh jdfka oe,a m%dÖrhlska fjkalr we;' ^,'1&

(v) laf,daÍka jdhqj

laf,daÍka jdhqfõ Ndú; i|yd - ^,'2&

(vi) ;U $

hlv $

fldm¾ i,af*aÜ $ - ^,'2&

(vii) úoHq;a úÉfþokfha idkaøKh wvqùu $ wvq úoHq;a Odrdjla fhdod .ekSu jeks iqÿiq
ms<s;=rlg - - ^,'1&

(B) (i) A - iDcqldrl vfhdavh

E - úp,H m%;sfrdaO; $ Odrdkshdulh ^,'1&

lD;H tl ne.ska ,shd we;s úg

A - m%;Hdj¾: Odrd ir, Odrd njg m;a lsÍu $ iDcqlrKh $ Odrdj tla ÈYdjlg .e,Su
ie,eia ùu

E - úÿ,s Odrdj md,kh lsÍu ^,'1&

(ii) X - mdou
Y - ix.%dylh ms<s;=re 3 u we;akï - ^02&
Z - úfudaplh ms<s;=re 2 u we;akï - ^01&

(iii) m%;sfrdaOh wvqùu - ^01&

 Ndrh
5V
240V AC AC

^,' 03&

(v) Odß;%lh iïnkaO lsÍu

Ndrhg iudka;rj ;sîu - ^,'02&