Page 1
31/5/2 1 P.T.O.
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð
>na Adí` {bIo§ &
Candidates must write the Code on the
title page of the answer-book.
Series JMS/5
H$moS> Z§.
Code No.
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ &
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na
{bI| &
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >27 àíZ h¢ &
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| &
? Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo
n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
? Please check that this question paper contains 15 printed pages.
? Code number given on the right hand side of the question paper should be
written on the title page of the answer-book by the candidate.
? Please check that this question paper contains 27 questions.
? Please write down the Serial Number of the question before
attempting it.
? 15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer
on the answer-book during this period.
31/5/2
SET-2
Page 2
31/5/2 1 P.T.O.
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð
>na Adí` {bIo§ &
Candidates must write the Code on the
title page of the answer-book.
Series JMS/5
H$moS> Z§.
Code No.
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ &
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na
{bI| &
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >27 àíZ h¢ &
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| &
? Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo
n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
? Please check that this question paper contains 15 printed pages.
? Code number given on the right hand side of the question paper should be
written on the title page of the answer-book by the candidate.
? Please check that this question paper contains 27 questions.
? Please write down the Serial Number of the question before
attempting it.
? 15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer
on the answer-book during this period.
31/5/2
SET-2
31/5/2 2
gm_mÝ` {ZX}e :
(i) Bg àíZ-nÌ H$mo nm±M ^mJm|, A, ~, g, X Am¡a ¶ ‘| ~m±Q>m J¶m h¡ & AmnH$mo g^r ^mJm| Ho$
àíZm| Ho$ CÎma {bIZo h¢ &
(ii) g^r àíZ A{Zdm`© h¢ &
(iii) ^mJ ~, g, X Am¡a ¶ Ho$ àíZm| ‘| Am§V[aH$ M¶Z {X¶m J¶m h¡ &
(iv) ^mJ A Ho$ àíZ g§»`m 1 Am¡a 2 EH$-EH$ A§H$ Ho$ àíZ h¢ & BZHo$ CÎma EH$ eãX AWdm
EH$ dmŠ` _| XoZo h¢ &
(v) ^mJ ~ Ho$ àíZ g§»¶m 3 go 5 Xmo-Xmo A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 30 eãXm| àË`oH$
‘| XoZo h¢ &
(vi) ^mJ g Ho$ àíZ g§»¶m 6 go 15 VrZ-VrZ A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 50 eãXm|
àË`oH$ ‘| XoZo h¢ &
(vii) ^mJ X Ho$ àíZ g§»¶m 16 go 21 nm±M-nm±M A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 70 eãXm|
àË`oH$ ‘| XoZo h¢ &
(viii) ^mJ ¶ Ho$ àíZ g§»¶m 22 go 27 à¶moJmË‘H$ H$m¡eb na AmYm[aV Xmo-Xmo A§H$m| Ho$ àíZ h¢ &
BZHo$ g§{jßV CÎma XoZo h¢ &
General Instructions :
(i) The question paper comprises five Sections, A, B, C, D and E. You are to
attempt All the sections.
(ii) All questions are compulsory.
(iii) Internal choice is given in Sections B, C, D and E.
(iv) Questions number 1 and 2 in Section A are one-mark questions. They are
to be answered in one word or in one sentence.
(v) Questions number 3 to 5 in Section B are two-marks questions. These are
to be answered in about 30 words each.
(vi) Questions number 6 to 15 in Section C are three-marks questions. These
are to be answered in about 50 words each.
(vii) Questions number 16 to 21 in Section D are five-marks questions. These
are to be answered in about 70 words each.
(viii) Questions number 22 to 27 in Section E are based on practical skills.
Each question is a two-marks question. These are to be answered in brief.
Page 3
31/5/2 1 P.T.O.
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð
>na Adí` {bIo§ &
Candidates must write the Code on the
title page of the answer-book.
Series JMS/5
H$moS> Z§.
Code No.
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ &
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na
{bI| &
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >27 àíZ h¢ &
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| &
? Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo
n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
? Please check that this question paper contains 15 printed pages.
? Code number given on the right hand side of the question paper should be
written on the title page of the answer-book by the candidate.
? Please check that this question paper contains 27 questions.
? Please write down the Serial Number of the question before
attempting it.
? 15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer
on the answer-book during this period.
31/5/2
SET-2
31/5/2 2
gm_mÝ` {ZX}e :
(i) Bg àíZ-nÌ H$mo nm±M ^mJm|, A, ~, g, X Am¡a ¶ ‘| ~m±Q>m J¶m h¡ & AmnH$mo g^r ^mJm| Ho$
àíZm| Ho$ CÎma {bIZo h¢ &
(ii) g^r àíZ A{Zdm`© h¢ &
(iii) ^mJ ~, g, X Am¡a ¶ Ho$ àíZm| ‘| Am§V[aH$ M¶Z {X¶m J¶m h¡ &
(iv) ^mJ A Ho$ àíZ g§»`m 1 Am¡a 2 EH$-EH$ A§H$ Ho$ àíZ h¢ & BZHo$ CÎma EH$ eãX AWdm
EH$ dmŠ` _| XoZo h¢ &
(v) ^mJ ~ Ho$ àíZ g§»¶m 3 go 5 Xmo-Xmo A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 30 eãXm| àË`oH$
‘| XoZo h¢ &
(vi) ^mJ g Ho$ àíZ g§»¶m 6 go 15 VrZ-VrZ A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 50 eãXm|
àË`oH$ ‘| XoZo h¢ &
(vii) ^mJ X Ho$ àíZ g§»¶m 16 go 21 nm±M-nm±M A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 70 eãXm|
àË`oH$ ‘| XoZo h¢ &
(viii) ^mJ ¶ Ho$ àíZ g§»¶m 22 go 27 à¶moJmË‘H$ H$m¡eb na AmYm[aV Xmo-Xmo A§H$m| Ho$ àíZ h¢ &
BZHo$ g§{jßV CÎma XoZo h¢ &
General Instructions :
(i) The question paper comprises five Sections, A, B, C, D and E. You are to
attempt All the sections.
(ii) All questions are compulsory.
(iii) Internal choice is given in Sections B, C, D and E.
(iv) Questions number 1 and 2 in Section A are one-mark questions. They are
to be answered in one word or in one sentence.
(v) Questions number 3 to 5 in Section B are two-marks questions. These are
to be answered in about 30 words each.
(vi) Questions number 6 to 15 in Section C are three-marks questions. These
are to be answered in about 50 words each.
(vii) Questions number 16 to 21 in Section D are five-marks questions. These
are to be answered in about 70 words each.
(viii) Questions number 22 to 27 in Section E are based on practical skills.
Each question is a two-marks question. These are to be answered in brief.
31/5/2 3 P.T.O.
^mJ A
SECTION A
1. {d^dmÝVa H$m S.I. ‘mÌH$ Am¡a Bgo ‘mnZo Ho$ {bE Cn¶moJ H$s OmZo dmbr ¶w{³V H$m Zm‘
{b{IE & 1
State the S.I. unit of potential difference and name the device used to
measure it.
2. loîR> BªYZ Ho$ Xmo A{^bjUm| H$s gyMr ~ZmBE & 1
List two characteristics of a good fuel.
^mJ ~
SECTION B
3. {H$gr CÎmb Xn©U Ho$ ‘w»¶ ’$moH$g H$s Amoa {ZX}{eV àH$me {H$aU Ho$ VXZwê$n namd{V©V
{H$aU H$m nW Xem©Zo Ho$ {bE Zm‘m§{H$V àH$me {H$aU AmaoI It{ME Am¡a Cg na AmnVZ
H$moU VWm namdV©Z H$moU A§{H$V H$s{OE & 2
Draw a labelled ray diagram to show the path of the reflected ray
corresponding to the ray which is directed towards the principal focus of
a convex mirror. Mark the angle of incidence and angle of reflection on it.
4. Mwå~H$s¶ joÌ aoImAm| Ho$ Mma JwUY‘m] H$s gyMr ~ZmBE & 2
List four properties of magnetic field lines.
5. bdU Ob {H$go H$hVo h¢ ? Bggo {dÚwV² Ymam àdm{hV H$amZo na ³¶m hmoVm h¡ ? BgHo$ {bE
amgm¶{ZH$ g‘rH$aU {b{IE & 2
AWdm
{H$gr ~rH$a ‘| Wmo‹S>r ‘mÌm ‘| H$m°na Am°³gmBS> boH$a Cg‘| VZw HCl {‘bmZo na {XImB© XoZo
dmbo n[adV©Zm| H$s gyMr ~ZmBE & hmoZo dmbr A{^{H«$¶m H$m g§Vw{bV amgm¶{ZH$ g‘rH$aU
{b{IE & 2
What is brine ? What happens when an electric current is passed through
it ? Write chemical equation for it.
OR
List the changes that are observed when dil. HCl is added to a small
amount of copper oxide in a beaker. Write balanced chemical equation for
the reaction.
Page 4
31/5/2 1 P.T.O.
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð
>na Adí` {bIo§ &
Candidates must write the Code on the
title page of the answer-book.
Series JMS/5
H$moS> Z§.
Code No.
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ &
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na
{bI| &
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >27 àíZ h¢ &
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| &
? Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo
n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
? Please check that this question paper contains 15 printed pages.
? Code number given on the right hand side of the question paper should be
written on the title page of the answer-book by the candidate.
? Please check that this question paper contains 27 questions.
? Please write down the Serial Number of the question before
attempting it.
? 15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer
on the answer-book during this period.
31/5/2
SET-2
31/5/2 2
gm_mÝ` {ZX}e :
(i) Bg àíZ-nÌ H$mo nm±M ^mJm|, A, ~, g, X Am¡a ¶ ‘| ~m±Q>m J¶m h¡ & AmnH$mo g^r ^mJm| Ho$
àíZm| Ho$ CÎma {bIZo h¢ &
(ii) g^r àíZ A{Zdm`© h¢ &
(iii) ^mJ ~, g, X Am¡a ¶ Ho$ àíZm| ‘| Am§V[aH$ M¶Z {X¶m J¶m h¡ &
(iv) ^mJ A Ho$ àíZ g§»`m 1 Am¡a 2 EH$-EH$ A§H$ Ho$ àíZ h¢ & BZHo$ CÎma EH$ eãX AWdm
EH$ dmŠ` _| XoZo h¢ &
(v) ^mJ ~ Ho$ àíZ g§»¶m 3 go 5 Xmo-Xmo A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 30 eãXm| àË`oH$
‘| XoZo h¢ &
(vi) ^mJ g Ho$ àíZ g§»¶m 6 go 15 VrZ-VrZ A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 50 eãXm|
àË`oH$ ‘| XoZo h¢ &
(vii) ^mJ X Ho$ àíZ g§»¶m 16 go 21 nm±M-nm±M A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 70 eãXm|
àË`oH$ ‘| XoZo h¢ &
(viii) ^mJ ¶ Ho$ àíZ g§»¶m 22 go 27 à¶moJmË‘H$ H$m¡eb na AmYm[aV Xmo-Xmo A§H$m| Ho$ àíZ h¢ &
BZHo$ g§{jßV CÎma XoZo h¢ &
General Instructions :
(i) The question paper comprises five Sections, A, B, C, D and E. You are to
attempt All the sections.
(ii) All questions are compulsory.
(iii) Internal choice is given in Sections B, C, D and E.
(iv) Questions number 1 and 2 in Section A are one-mark questions. They are
to be answered in one word or in one sentence.
(v) Questions number 3 to 5 in Section B are two-marks questions. These are
to be answered in about 30 words each.
(vi) Questions number 6 to 15 in Section C are three-marks questions. These
are to be answered in about 50 words each.
(vii) Questions number 16 to 21 in Section D are five-marks questions. These
are to be answered in about 70 words each.
(viii) Questions number 22 to 27 in Section E are based on practical skills.
Each question is a two-marks question. These are to be answered in brief.
31/5/2 3 P.T.O.
^mJ A
SECTION A
1. {d^dmÝVa H$m S.I. ‘mÌH$ Am¡a Bgo ‘mnZo Ho$ {bE Cn¶moJ H$s OmZo dmbr ¶w{³V H$m Zm‘
{b{IE & 1
State the S.I. unit of potential difference and name the device used to
measure it.
2. loîR> BªYZ Ho$ Xmo A{^bjUm| H$s gyMr ~ZmBE & 1
List two characteristics of a good fuel.
^mJ ~
SECTION B
3. {H$gr CÎmb Xn©U Ho$ ‘w»¶ ’$moH$g H$s Amoa {ZX}{eV àH$me {H$aU Ho$ VXZwê$n namd{V©V
{H$aU H$m nW Xem©Zo Ho$ {bE Zm‘m§{H$V àH$me {H$aU AmaoI It{ME Am¡a Cg na AmnVZ
H$moU VWm namdV©Z H$moU A§{H$V H$s{OE & 2
Draw a labelled ray diagram to show the path of the reflected ray
corresponding to the ray which is directed towards the principal focus of
a convex mirror. Mark the angle of incidence and angle of reflection on it.
4. Mwå~H$s¶ joÌ aoImAm| Ho$ Mma JwUY‘m] H$s gyMr ~ZmBE & 2
List four properties of magnetic field lines.
5. bdU Ob {H$go H$hVo h¢ ? Bggo {dÚwV² Ymam àdm{hV H$amZo na ³¶m hmoVm h¡ ? BgHo$ {bE
amgm¶{ZH$ g‘rH$aU {b{IE & 2
AWdm
{H$gr ~rH$a ‘| Wmo‹S>r ‘mÌm ‘| H$m°na Am°³gmBS> boH$a Cg‘| VZw HCl {‘bmZo na {XImB© XoZo
dmbo n[adV©Zm| H$s gyMr ~ZmBE & hmoZo dmbr A{^{H«$¶m H$m g§Vw{bV amgm¶{ZH$ g‘rH$aU
{b{IE & 2
What is brine ? What happens when an electric current is passed through
it ? Write chemical equation for it.
OR
List the changes that are observed when dil. HCl is added to a small
amount of copper oxide in a beaker. Write balanced chemical equation for
the reaction.
31/5/2 4
^mJ g
SECTION C
6. {H$gr AdVb Xn©U H$s ’$moH$g Xÿar 20 cm h¡ & Bg Xn©U go 4 cm bå~o {H$gr {~å~ H$mo
{H$VZr Xÿar na aI| {H$ CgH$m à{V{~å~ Xn©U go 30 cm Xÿar na ~Zo & ~ZZo dmbo à{V{~å~
H$m gmBµO ^r n[aH${bV H$s{OE & 3
AWdm
{H$gr CÎmb b|g Ûmam {H$gr {~å~ H$mo b|g go 12 cm Xÿar na aIo OmZo na CgH$m {~å~ Ho$
gmBµO H$m 2/3 JwZm, dmñV{dH$ à{V{~å~ ~ZVm h¡ & b|g H$s ’$moH$g Xÿar kmV H$s{OE & 3
A concave mirror has a focal length of 20 cm. At what distance from the
mirror should a 4 cm tall object be placed so that it forms an image at a
distance of 30 cm from the mirror ? Also calculate the size of the image
formed.
OR
A real image 2/3
rd
of the size of an object is formed by a convex lens when
the object is at a distance of 12 cm from it. Find the focal length of the
lens.
7. {H$gr j¡{VO H$mS>©~moS>© go bå~dV² JwµOaVo {H$gr Ymamdmhr grYo MmbH$ Ho$ Mmam| Amoa CËnÞ
Mwå~H$s¶ joÌ H$s joÌ aoImAm| H$m n¡Q>Z© It{ME & X{jU-hñV A§Jwð> {Z¶‘ {b{IE Am¡a
ì¶m»¶m H$s{OE {H$ ¶{X MmbH$ go D$Üdm©Ya ZrMo H$s {Xem ‘| {dÚwV² Ymam àdm{hV hmo ahr
h¡, Vmo ¶h {Z¶‘ Cn`w©³V àH$aU ‘| Mwå~H$s¶ joÌ H$s {Xem {ZYm©[aV H$aZo ‘| {H$g àH$ma
Cn¶moJr hmoVm h¡ & 3
Draw the pattern of the field lines of the magnetic field around a current
carrying straight conductor passing through and held perpendicular to a
horizontal cardboard. State right-hand thumb rule and explain how this
rule is useful to determine the direction of the magnetic field in the above
case, if the direction of current in the conductor is vertically downwards.
8. H$moB© A¶ñH$ VZw hmBS´>mo³bmo[aH$ Aåb go CnMma {H$E OmZo na g‹S>o AÊS>o O¡gr J§Y XoVm h¡ &
Bg A¶ñH$ H$m àH$ma {b{IE & BgHo$ gm§Ð A¶ñH$ go YmVw H$mo {H$g àH$ma àmßV {H$¶m Om
gH$Vm h¡ ? 3
An ore on treatment with dil. HCl gives the smell of rotten egg. Name the
type of this ore. How can the metal be obtained from its concentrated
ore ?
9. {H$gr ewîH$ ³dWZ Zbr ‘| \o$ag gë’o$Q> Ho$ 2 g {H«$ñQ>bm| H$mo J‘© {H$¶m J¶m h¡ &
(a) {H$Ýht Xmo àojUm| H$s gyMr ~ZmBE &
(b) hmoZo dmbr amgm`{ZH$ A{^{H«$¶m H$m àH$ma {b{IE &
Page 5
31/5/2 1 P.T.O.
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð
>na Adí` {bIo§ &
Candidates must write the Code on the
title page of the answer-book.
Series JMS/5
H$moS> Z§.
Code No.
amob Z§.
Roll No.
{dkmZ
SCIENCE
{ZYm©[aV g_` : 3 KÊQ>o A{YH$V_ A§H$ : 80
Time allowed : 3 hours Maximum Marks : 80
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ &
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na
{bI| &
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >27 àíZ h¢ &
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| &
? Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
nydm©• _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo
n‹T>|Jo Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
? Please check that this question paper contains 15 printed pages.
? Code number given on the right hand side of the question paper should be
written on the title page of the answer-book by the candidate.
? Please check that this question paper contains 27 questions.
? Please write down the Serial Number of the question before
attempting it.
? 15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer
on the answer-book during this period.
31/5/2
SET-2
31/5/2 2
gm_mÝ` {ZX}e :
(i) Bg àíZ-nÌ H$mo nm±M ^mJm|, A, ~, g, X Am¡a ¶ ‘| ~m±Q>m J¶m h¡ & AmnH$mo g^r ^mJm| Ho$
àíZm| Ho$ CÎma {bIZo h¢ &
(ii) g^r àíZ A{Zdm`© h¢ &
(iii) ^mJ ~, g, X Am¡a ¶ Ho$ àíZm| ‘| Am§V[aH$ M¶Z {X¶m J¶m h¡ &
(iv) ^mJ A Ho$ àíZ g§»`m 1 Am¡a 2 EH$-EH$ A§H$ Ho$ àíZ h¢ & BZHo$ CÎma EH$ eãX AWdm
EH$ dmŠ` _| XoZo h¢ &
(v) ^mJ ~ Ho$ àíZ g§»¶m 3 go 5 Xmo-Xmo A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 30 eãXm| àË`oH$
‘| XoZo h¢ &
(vi) ^mJ g Ho$ àíZ g§»¶m 6 go 15 VrZ-VrZ A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 50 eãXm|
àË`oH$ ‘| XoZo h¢ &
(vii) ^mJ X Ho$ àíZ g§»¶m 16 go 21 nm±M-nm±M A§H$m| Ho$ àíZ h¢ & BZHo$ CÎma bJ^J 70 eãXm|
àË`oH$ ‘| XoZo h¢ &
(viii) ^mJ ¶ Ho$ àíZ g§»¶m 22 go 27 à¶moJmË‘H$ H$m¡eb na AmYm[aV Xmo-Xmo A§H$m| Ho$ àíZ h¢ &
BZHo$ g§{jßV CÎma XoZo h¢ &
General Instructions :
(i) The question paper comprises five Sections, A, B, C, D and E. You are to
attempt All the sections.
(ii) All questions are compulsory.
(iii) Internal choice is given in Sections B, C, D and E.
(iv) Questions number 1 and 2 in Section A are one-mark questions. They are
to be answered in one word or in one sentence.
(v) Questions number 3 to 5 in Section B are two-marks questions. These are
to be answered in about 30 words each.
(vi) Questions number 6 to 15 in Section C are three-marks questions. These
are to be answered in about 50 words each.
(vii) Questions number 16 to 21 in Section D are five-marks questions. These
are to be answered in about 70 words each.
(viii) Questions number 22 to 27 in Section E are based on practical skills.
Each question is a two-marks question. These are to be answered in brief.
31/5/2 3 P.T.O.
^mJ A
SECTION A
1. {d^dmÝVa H$m S.I. ‘mÌH$ Am¡a Bgo ‘mnZo Ho$ {bE Cn¶moJ H$s OmZo dmbr ¶w{³V H$m Zm‘
{b{IE & 1
State the S.I. unit of potential difference and name the device used to
measure it.
2. loîR> BªYZ Ho$ Xmo A{^bjUm| H$s gyMr ~ZmBE & 1
List two characteristics of a good fuel.
^mJ ~
SECTION B
3. {H$gr CÎmb Xn©U Ho$ ‘w»¶ ’$moH$g H$s Amoa {ZX}{eV àH$me {H$aU Ho$ VXZwê$n namd{V©V
{H$aU H$m nW Xem©Zo Ho$ {bE Zm‘m§{H$V àH$me {H$aU AmaoI It{ME Am¡a Cg na AmnVZ
H$moU VWm namdV©Z H$moU A§{H$V H$s{OE & 2
Draw a labelled ray diagram to show the path of the reflected ray
corresponding to the ray which is directed towards the principal focus of
a convex mirror. Mark the angle of incidence and angle of reflection on it.
4. Mwå~H$s¶ joÌ aoImAm| Ho$ Mma JwUY‘m] H$s gyMr ~ZmBE & 2
List four properties of magnetic field lines.
5. bdU Ob {H$go H$hVo h¢ ? Bggo {dÚwV² Ymam àdm{hV H$amZo na ³¶m hmoVm h¡ ? BgHo$ {bE
amgm¶{ZH$ g‘rH$aU {b{IE & 2
AWdm
{H$gr ~rH$a ‘| Wmo‹S>r ‘mÌm ‘| H$m°na Am°³gmBS> boH$a Cg‘| VZw HCl {‘bmZo na {XImB© XoZo
dmbo n[adV©Zm| H$s gyMr ~ZmBE & hmoZo dmbr A{^{H«$¶m H$m g§Vw{bV amgm¶{ZH$ g‘rH$aU
{b{IE & 2
What is brine ? What happens when an electric current is passed through
it ? Write chemical equation for it.
OR
List the changes that are observed when dil. HCl is added to a small
amount of copper oxide in a beaker. Write balanced chemical equation for
the reaction.
31/5/2 4
^mJ g
SECTION C
6. {H$gr AdVb Xn©U H$s ’$moH$g Xÿar 20 cm h¡ & Bg Xn©U go 4 cm bå~o {H$gr {~å~ H$mo
{H$VZr Xÿar na aI| {H$ CgH$m à{V{~å~ Xn©U go 30 cm Xÿar na ~Zo & ~ZZo dmbo à{V{~å~
H$m gmBµO ^r n[aH${bV H$s{OE & 3
AWdm
{H$gr CÎmb b|g Ûmam {H$gr {~å~ H$mo b|g go 12 cm Xÿar na aIo OmZo na CgH$m {~å~ Ho$
gmBµO H$m 2/3 JwZm, dmñV{dH$ à{V{~å~ ~ZVm h¡ & b|g H$s ’$moH$g Xÿar kmV H$s{OE & 3
A concave mirror has a focal length of 20 cm. At what distance from the
mirror should a 4 cm tall object be placed so that it forms an image at a
distance of 30 cm from the mirror ? Also calculate the size of the image
formed.
OR
A real image 2/3
rd
of the size of an object is formed by a convex lens when
the object is at a distance of 12 cm from it. Find the focal length of the
lens.
7. {H$gr j¡{VO H$mS>©~moS>© go bå~dV² JwµOaVo {H$gr Ymamdmhr grYo MmbH$ Ho$ Mmam| Amoa CËnÞ
Mwå~H$s¶ joÌ H$s joÌ aoImAm| H$m n¡Q>Z© It{ME & X{jU-hñV A§Jwð> {Z¶‘ {b{IE Am¡a
ì¶m»¶m H$s{OE {H$ ¶{X MmbH$ go D$Üdm©Ya ZrMo H$s {Xem ‘| {dÚwV² Ymam àdm{hV hmo ahr
h¡, Vmo ¶h {Z¶‘ Cn`w©³V àH$aU ‘| Mwå~H$s¶ joÌ H$s {Xem {ZYm©[aV H$aZo ‘| {H$g àH$ma
Cn¶moJr hmoVm h¡ & 3
Draw the pattern of the field lines of the magnetic field around a current
carrying straight conductor passing through and held perpendicular to a
horizontal cardboard. State right-hand thumb rule and explain how this
rule is useful to determine the direction of the magnetic field in the above
case, if the direction of current in the conductor is vertically downwards.
8. H$moB© A¶ñH$ VZw hmBS´>mo³bmo[aH$ Aåb go CnMma {H$E OmZo na g‹S>o AÊS>o O¡gr J§Y XoVm h¡ &
Bg A¶ñH$ H$m àH$ma {b{IE & BgHo$ gm§Ð A¶ñH$ go YmVw H$mo {H$g àH$ma àmßV {H$¶m Om
gH$Vm h¡ ? 3
An ore on treatment with dil. HCl gives the smell of rotten egg. Name the
type of this ore. How can the metal be obtained from its concentrated
ore ?
9. {H$gr ewîH$ ³dWZ Zbr ‘| \o$ag gë’o$Q> Ho$ 2 g {H«$ñQ>bm| H$mo J‘© {H$¶m J¶m h¡ &
(a) {H$Ýht Xmo àojUm| H$s gyMr ~ZmBE &
(b) hmoZo dmbr amgm`{ZH$ A{^{H«$¶m H$m àH$ma {b{IE &
31/5/2 5 P.T.O.
(c) A{^{H«$¶m H$m g§Vw{bV amgm¶{ZH$ g‘rH$aU {b{IE Am¡a ~ZZo dmbo CËnmXm| H$m
Zm‘ {b{IE & 3
AWdm
AmnZo ¶h ZmoQ> {H$¶m hmoJm {H$ O~ {H$gr Mm¶Zm {S>e ‘| H$m°na nmCS>a (MyU©) J‘© {H$¶m
OmVm h¡, Vmo H$m°na Ho$ nmCS>a Ho$ a³Vm^ ^yao n¥îR> na {H$gr H$mbo nXmW© H$s naV ~Z OmVr
h¡ &
(a) ¶h H$mbm nXmW© ³¶m| ~Z J¶m ?
(b) ¶h H$mbm nXmW© ³¶m h¡ ?
(c) hmoZo dmbr A{^{H«$¶m H$m amgm¶{ZH$ g‘rH$aU {b{IE &
(d) n¥îR> na ~Zr Bg H$mbr naV H$mo {H$g àH$ma a³Vm^ ^yar {H$¶m Om gH$Vm h¡ ? 3
2 g of ferrous sulphate crystals are heated in a dry boiling tube.
(a) List any two observations.
(b) Name the type of chemical reaction taking place.
(c) Write balanced chemical equation for the reaction and name the
products formed.
OR
You might have noted that when copper powder is heated in a china dish,
the reddish brown surface of copper powder becomes coated with a black
substance.
(a) Why has this black substance formed ?
(b) What is this black substance ?
(c) Write the chemical equation of the reaction that takes place.
(d) How can the black coating on the surface be turned reddish
brown ?
10. Ho$H$ H$mo H$mo‘b Am¡a ñn§Or ~ZmZo Ho$ {bE Ho$H$ ~ZmVo g‘¶ Cg‘| EH$ ídoV nmCS>a {‘bm¶m
OmVm h¡ & Bg nmCS>a Ho$ à‘wI Ad¶dm| Ho$ Zm‘ {b{IE VWm à˶oH$ Ad¶d Ho$ H$m¶© H$s
ì¶m»¶m H$s{OE & g|H$Zo H$s Ad{Y ‘| nmCS>a H$mo J‘© H$aZo na hmoZo dmbr A{^{H«$¶m H$m
amgm¶{ZH$ g‘rH$aU {b{IE & 3
A white powder is added while baking cakes to make it soft and spongy.
Name its main ingredients. Explain the function of each ingredient.
Write the chemical reaction taking place when the powder is heated
during baking.
Read More