ICSE Class 10 Physics Sample Paper 2025 - 3 | Physics Class 10 ICSE PDF Download

 Page 1


Time Allowed: 2 hours Maximum Marks: 80 
General Instructions:
Answers to this Paper must be written on the paper provided separately.
You will not be allowed to write during first 15 minutes. This time is to be spent in reading the question paper.
The time given at the head of this Paper is the time allowed for writing the answers.
Section A is compulsory. Attempt any four questions from Section B.
The intended marks for questions or parts of questions are given in brackets [ ].
Section A
1. Choose the correct answers to the questions from the given options. (Do not copy the question, write the
correct answers only.)
[15]
a) velocity equals to zero b) KE equals to zero
c) acceleration equals to zero d) momentum equals to zero
Essential characteristic of equilibrium is [1] (a)
a) b)
c) d)
A ray of red light enters a semi-circular glass block normal to the curved surface. 
Which diagram shows the partial reflection and refraction of the ray? 
[1] (b)
a)
40 ms
-2 b)
20 ms
-2
c)
10 ms
-2 d)
30 ms
-2
What force must be applied to a body through a distance of 10 m, such that it does a work of 4000 J.
If the mass of the body is 20 kg, what is the acceleration of the body?
[1] (c)
a) chemical change b) physical change
c) both physical change and chemical
change
d) nuclear change
When an element gives out high energy radiations on its own, the change which takes place is: [1] (d)
Assertion (A): Uniform circular motion is an accelerated motion. [1] (e)
Physics
Page 2


Time Allowed: 2 hours Maximum Marks: 80 
General Instructions:
Answers to this Paper must be written on the paper provided separately.
You will not be allowed to write during first 15 minutes. This time is to be spent in reading the question paper.
The time given at the head of this Paper is the time allowed for writing the answers.
Section A is compulsory. Attempt any four questions from Section B.
The intended marks for questions or parts of questions are given in brackets [ ].
Section A
1. Choose the correct answers to the questions from the given options. (Do not copy the question, write the
correct answers only.)
[15]
a) velocity equals to zero b) KE equals to zero
c) acceleration equals to zero d) momentum equals to zero
Essential characteristic of equilibrium is [1] (a)
a) b)
c) d)
A ray of red light enters a semi-circular glass block normal to the curved surface. 
Which diagram shows the partial reflection and refraction of the ray? 
[1] (b)
a)
40 ms
-2 b)
20 ms
-2
c)
10 ms
-2 d)
30 ms
-2
What force must be applied to a body through a distance of 10 m, such that it does a work of 4000 J.
If the mass of the body is 20 kg, what is the acceleration of the body?
[1] (c)
a) chemical change b) physical change
c) both physical change and chemical
change
d) nuclear change
When an element gives out high energy radiations on its own, the change which takes place is: [1] (d)
Assertion (A): Uniform circular motion is an accelerated motion. [1] (e)
Physics
a) Both A and R are true and R is the
correct explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) Both A and R are true
Reason (R): In uniform circular motion, an object moves with constant speed but variable velocity.
a) 3.5 sin 19 b) 2.5 sin 19
c) 4.5 sin 19 d) 1.5 sin 19
The angle of refraction in a glass block of refractive index 1.5 is 19
o
. Calculate the angle of incidence.
[1] (f)
a) 1200 km b) 120000 km
c) 120 km d) 12000 km
An echo is heard by a radar in 0.08 s. If velocity of radio waves is 3  10
8
 ms
-1
, how far is the enemy
plane?
[1] (g)
× a) 432.5 m b) 332.5 m
c) 132.5 m d) 232.5 m
The speed of sound is 310 ms
-1
. A person fires a gun. An echo is heard after 1.5 s. Calculate the
distance of person from the cliff from which echo is heard.
[1] (h)
a) Only II b) Only I
c) Both I and II d) Both II and III
I. The resistors R
1 
and R
2
 have not been correctly connected in parallel.
II. The voltmeter has not been correctly connected in the circuit.
III. The ammeter and the key have not been correctly connected in the circuit. 
Out of these three, the actual fault in this circuit is/are
[1] (i)
a) by increasing number of turns in its coil b) by laminating its soft iron core
c) by increasing the strength of current
flowing through it
d) all of these
The power of a d.c. motor can be increased: [1] (j)
a) Its mechanical advantage is greater than
velocity ratio.
b) Its mechanical advantage is less than
velocity ratio.
c) Its efficiency is always less than 100%. d) Output of machine is always less than
input.
Which of the statement is not true for an actual machine? [1] (k)
The base of cooking pans is made thicker and heavy because: [1] (l)
Page 3


Time Allowed: 2 hours Maximum Marks: 80 
General Instructions:
Answers to this Paper must be written on the paper provided separately.
You will not be allowed to write during first 15 minutes. This time is to be spent in reading the question paper.
The time given at the head of this Paper is the time allowed for writing the answers.
Section A is compulsory. Attempt any four questions from Section B.
The intended marks for questions or parts of questions are given in brackets [ ].
Section A
1. Choose the correct answers to the questions from the given options. (Do not copy the question, write the
correct answers only.)
[15]
a) velocity equals to zero b) KE equals to zero
c) acceleration equals to zero d) momentum equals to zero
Essential characteristic of equilibrium is [1] (a)
a) b)
c) d)
A ray of red light enters a semi-circular glass block normal to the curved surface. 
Which diagram shows the partial reflection and refraction of the ray? 
[1] (b)
a)
40 ms
-2 b)
20 ms
-2
c)
10 ms
-2 d)
30 ms
-2
What force must be applied to a body through a distance of 10 m, such that it does a work of 4000 J.
If the mass of the body is 20 kg, what is the acceleration of the body?
[1] (c)
a) chemical change b) physical change
c) both physical change and chemical
change
d) nuclear change
When an element gives out high energy radiations on its own, the change which takes place is: [1] (d)
Assertion (A): Uniform circular motion is an accelerated motion. [1] (e)
Physics
a) Both A and R are true and R is the
correct explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) Both A and R are true
Reason (R): In uniform circular motion, an object moves with constant speed but variable velocity.
a) 3.5 sin 19 b) 2.5 sin 19
c) 4.5 sin 19 d) 1.5 sin 19
The angle of refraction in a glass block of refractive index 1.5 is 19
o
. Calculate the angle of incidence.
[1] (f)
a) 1200 km b) 120000 km
c) 120 km d) 12000 km
An echo is heard by a radar in 0.08 s. If velocity of radio waves is 3  10
8
 ms
-1
, how far is the enemy
plane?
[1] (g)
× a) 432.5 m b) 332.5 m
c) 132.5 m d) 232.5 m
The speed of sound is 310 ms
-1
. A person fires a gun. An echo is heard after 1.5 s. Calculate the
distance of person from the cliff from which echo is heard.
[1] (h)
a) Only II b) Only I
c) Both I and II d) Both II and III
I. The resistors R
1 
and R
2
 have not been correctly connected in parallel.
II. The voltmeter has not been correctly connected in the circuit.
III. The ammeter and the key have not been correctly connected in the circuit. 
Out of these three, the actual fault in this circuit is/are
[1] (i)
a) by increasing number of turns in its coil b) by laminating its soft iron core
c) by increasing the strength of current
flowing through it
d) all of these
The power of a d.c. motor can be increased: [1] (j)
a) Its mechanical advantage is greater than
velocity ratio.
b) Its mechanical advantage is less than
velocity ratio.
c) Its efficiency is always less than 100%. d) Output of machine is always less than
input.
Which of the statement is not true for an actual machine? [1] (k)
The base of cooking pans is made thicker and heavy because: [1] (l)
a) it lowers the heat capacity of pan b) it increases the heat capacity of pan
c) the food does not get charred and keeps
hot for long time
d) both it lowers the heat capacity of pan
and the food does not get charred and
keeps hot for long time
a)
1.2 Jg
-1o
C
-1 b)
0.6 Jg
-1o
C
-1
c)
1.6 Jg
-1o
C
-1 d)
0.8 Jg
-1o
C
-1
A burner, supplies heat energy at a rate of 20 Js
-1
. Find the specific heat capacity of a solid of mass 25
g, if its temperature rises by 80
o
C in one minute.
[1] (m)
a) it suffers refraction on both the
refracting surfaces
b) it bends towards the base on both
refracting surfaces
c) it suffers refraction on the first
refracting surfaces
d) both it suffers refraction on both the
refracting surfaces and it bends towards
the base on both refracting surfaces
When a ray of light passes through an equilateral glass prism: [1] (n)
a) b)
c) d)
A ray of light is incident on one side of a rectangular glass block. Its path is plotted through the block
and out through another side. 
Which path is not possible?
[1] (o)
2. Answer the following questions: [15]
i. Diagram given in below is representing a pulley system having a velocity ratio 3 and an
efficiency of 80%. Calculate the mechanical advantage and efficiency. 
[1]
ii. Name a machine which can be used to
i. Multiply force.
ii. Change the direction of force applied.
[1]
iii. Why is a jack screw provided with a long arm? [1]
(a)
A meter scale is balanced in horizontal position as shown in figure given below. Find the value of w. [2] (b)
Page 4


Time Allowed: 2 hours Maximum Marks: 80 
General Instructions:
Answers to this Paper must be written on the paper provided separately.
You will not be allowed to write during first 15 minutes. This time is to be spent in reading the question paper.
The time given at the head of this Paper is the time allowed for writing the answers.
Section A is compulsory. Attempt any four questions from Section B.
The intended marks for questions or parts of questions are given in brackets [ ].
Section A
1. Choose the correct answers to the questions from the given options. (Do not copy the question, write the
correct answers only.)
[15]
a) velocity equals to zero b) KE equals to zero
c) acceleration equals to zero d) momentum equals to zero
Essential characteristic of equilibrium is [1] (a)
a) b)
c) d)
A ray of red light enters a semi-circular glass block normal to the curved surface. 
Which diagram shows the partial reflection and refraction of the ray? 
[1] (b)
a)
40 ms
-2 b)
20 ms
-2
c)
10 ms
-2 d)
30 ms
-2
What force must be applied to a body through a distance of 10 m, such that it does a work of 4000 J.
If the mass of the body is 20 kg, what is the acceleration of the body?
[1] (c)
a) chemical change b) physical change
c) both physical change and chemical
change
d) nuclear change
When an element gives out high energy radiations on its own, the change which takes place is: [1] (d)
Assertion (A): Uniform circular motion is an accelerated motion. [1] (e)
Physics
a) Both A and R are true and R is the
correct explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) Both A and R are true
Reason (R): In uniform circular motion, an object moves with constant speed but variable velocity.
a) 3.5 sin 19 b) 2.5 sin 19
c) 4.5 sin 19 d) 1.5 sin 19
The angle of refraction in a glass block of refractive index 1.5 is 19
o
. Calculate the angle of incidence.
[1] (f)
a) 1200 km b) 120000 km
c) 120 km d) 12000 km
An echo is heard by a radar in 0.08 s. If velocity of radio waves is 3  10
8
 ms
-1
, how far is the enemy
plane?
[1] (g)
× a) 432.5 m b) 332.5 m
c) 132.5 m d) 232.5 m
The speed of sound is 310 ms
-1
. A person fires a gun. An echo is heard after 1.5 s. Calculate the
distance of person from the cliff from which echo is heard.
[1] (h)
a) Only II b) Only I
c) Both I and II d) Both II and III
I. The resistors R
1 
and R
2
 have not been correctly connected in parallel.
II. The voltmeter has not been correctly connected in the circuit.
III. The ammeter and the key have not been correctly connected in the circuit. 
Out of these three, the actual fault in this circuit is/are
[1] (i)
a) by increasing number of turns in its coil b) by laminating its soft iron core
c) by increasing the strength of current
flowing through it
d) all of these
The power of a d.c. motor can be increased: [1] (j)
a) Its mechanical advantage is greater than
velocity ratio.
b) Its mechanical advantage is less than
velocity ratio.
c) Its efficiency is always less than 100%. d) Output of machine is always less than
input.
Which of the statement is not true for an actual machine? [1] (k)
The base of cooking pans is made thicker and heavy because: [1] (l)
a) it lowers the heat capacity of pan b) it increases the heat capacity of pan
c) the food does not get charred and keeps
hot for long time
d) both it lowers the heat capacity of pan
and the food does not get charred and
keeps hot for long time
a)
1.2 Jg
-1o
C
-1 b)
0.6 Jg
-1o
C
-1
c)
1.6 Jg
-1o
C
-1 d)
0.8 Jg
-1o
C
-1
A burner, supplies heat energy at a rate of 20 Js
-1
. Find the specific heat capacity of a solid of mass 25
g, if its temperature rises by 80
o
C in one minute.
[1] (m)
a) it suffers refraction on both the
refracting surfaces
b) it bends towards the base on both
refracting surfaces
c) it suffers refraction on the first
refracting surfaces
d) both it suffers refraction on both the
refracting surfaces and it bends towards
the base on both refracting surfaces
When a ray of light passes through an equilateral glass prism: [1] (n)
a) b)
c) d)
A ray of light is incident on one side of a rectangular glass block. Its path is plotted through the block
and out through another side. 
Which path is not possible?
[1] (o)
2. Answer the following questions: [15]
i. Diagram given in below is representing a pulley system having a velocity ratio 3 and an
efficiency of 80%. Calculate the mechanical advantage and efficiency. 
[1]
ii. Name a machine which can be used to
i. Multiply force.
ii. Change the direction of force applied.
[1]
iii. Why is a jack screw provided with a long arm? [1]
(a)
A meter scale is balanced in horizontal position as shown in figure given below. Find the value of w. [2] (b)
Section B
Attempt any 4 questions
A woman draws water from a well using a fixed pulley. The mass of the bucket and water together is
6 kg. The force applied by the woman is 70 N. Calculate the mechanical advantage. (take g = 10 ms
-2
)
[2] (c)
Calculate the resultant torque from the following diagram: [2] (d)
A girl of mass 35 kg climbs up from the first floor of a building at a height 4 m above the ground to
the third floor at a height 12 m above the ground. What will be the increase in her gravitational
potential energy? (g = 10 m
-2
)
[2] (e)
Calculate the amount of charge that flows through a conductor when a current of 5A flows through it
for 2 min.
[2] (f)
i. What do you understand by free vibrations of a body?
ii. Why does the amplitude of a vibrating body continuously decrease during damped vibrations?
[2] (g)
3. Answer the following questions; [10]
State Snell's law of refraction of light. [2] (a)
What is internal resistance of a cell? Write two factors on which it depends. [2] (b)
The equivalent resistance of the following circuit diagram is 4 . Calculate the value of x. [2] (c) O i. Define specific heat capacity of a substance. State its SI unit.
ii. Give one example of each, where high specific heat capacity of water is used
a. In cooling
b. As heat resistor.
[2] (d)
Point out the comparison for
i. the ionising powers and
ii. penetrating powers of ,  and -radiations.
[2] (e)
a ß ? 4. Answer the following questions: [10]
A concave lens has a focal length 15 cm. At what distance should an object be placed from the lens so
that it forms an image at 10 cm from the lens? What is the nature of the image
[3] (a)
250 g of water at 30°C is present in a copper vessel of mass 50 g. Calculate the mass of ice required to
bring down the temperature of the vessel and its contents to 5°C. (Specific latent heat of fusion of ice
= 336  10
3
 J kg
-1
, specific heat capacity of copper vessel = 400 J kg
-1 
°C
-1
, specific heat capacity of
water = 4200 J kg
-1 
°C
-1
)
[3] (b)
× A lens of focal length 20 cm forms an inverted image at a distance 60 cm form the lens.
i. Identify the lens.
[4] (c)
Page 5


Time Allowed: 2 hours Maximum Marks: 80 
General Instructions:
Answers to this Paper must be written on the paper provided separately.
You will not be allowed to write during first 15 minutes. This time is to be spent in reading the question paper.
The time given at the head of this Paper is the time allowed for writing the answers.
Section A is compulsory. Attempt any four questions from Section B.
The intended marks for questions or parts of questions are given in brackets [ ].
Section A
1. Choose the correct answers to the questions from the given options. (Do not copy the question, write the
correct answers only.)
[15]
a) velocity equals to zero b) KE equals to zero
c) acceleration equals to zero d) momentum equals to zero
Essential characteristic of equilibrium is [1] (a)
a) b)
c) d)
A ray of red light enters a semi-circular glass block normal to the curved surface. 
Which diagram shows the partial reflection and refraction of the ray? 
[1] (b)
a)
40 ms
-2 b)
20 ms
-2
c)
10 ms
-2 d)
30 ms
-2
What force must be applied to a body through a distance of 10 m, such that it does a work of 4000 J.
If the mass of the body is 20 kg, what is the acceleration of the body?
[1] (c)
a) chemical change b) physical change
c) both physical change and chemical
change
d) nuclear change
When an element gives out high energy radiations on its own, the change which takes place is: [1] (d)
Assertion (A): Uniform circular motion is an accelerated motion. [1] (e)
Physics
a) Both A and R are true and R is the
correct explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) Both A and R are true
Reason (R): In uniform circular motion, an object moves with constant speed but variable velocity.
a) 3.5 sin 19 b) 2.5 sin 19
c) 4.5 sin 19 d) 1.5 sin 19
The angle of refraction in a glass block of refractive index 1.5 is 19
o
. Calculate the angle of incidence.
[1] (f)
a) 1200 km b) 120000 km
c) 120 km d) 12000 km
An echo is heard by a radar in 0.08 s. If velocity of radio waves is 3  10
8
 ms
-1
, how far is the enemy
plane?
[1] (g)
× a) 432.5 m b) 332.5 m
c) 132.5 m d) 232.5 m
The speed of sound is 310 ms
-1
. A person fires a gun. An echo is heard after 1.5 s. Calculate the
distance of person from the cliff from which echo is heard.
[1] (h)
a) Only II b) Only I
c) Both I and II d) Both II and III
I. The resistors R
1 
and R
2
 have not been correctly connected in parallel.
II. The voltmeter has not been correctly connected in the circuit.
III. The ammeter and the key have not been correctly connected in the circuit. 
Out of these three, the actual fault in this circuit is/are
[1] (i)
a) by increasing number of turns in its coil b) by laminating its soft iron core
c) by increasing the strength of current
flowing through it
d) all of these
The power of a d.c. motor can be increased: [1] (j)
a) Its mechanical advantage is greater than
velocity ratio.
b) Its mechanical advantage is less than
velocity ratio.
c) Its efficiency is always less than 100%. d) Output of machine is always less than
input.
Which of the statement is not true for an actual machine? [1] (k)
The base of cooking pans is made thicker and heavy because: [1] (l)
a) it lowers the heat capacity of pan b) it increases the heat capacity of pan
c) the food does not get charred and keeps
hot for long time
d) both it lowers the heat capacity of pan
and the food does not get charred and
keeps hot for long time
a)
1.2 Jg
-1o
C
-1 b)
0.6 Jg
-1o
C
-1
c)
1.6 Jg
-1o
C
-1 d)
0.8 Jg
-1o
C
-1
A burner, supplies heat energy at a rate of 20 Js
-1
. Find the specific heat capacity of a solid of mass 25
g, if its temperature rises by 80
o
C in one minute.
[1] (m)
a) it suffers refraction on both the
refracting surfaces
b) it bends towards the base on both
refracting surfaces
c) it suffers refraction on the first
refracting surfaces
d) both it suffers refraction on both the
refracting surfaces and it bends towards
the base on both refracting surfaces
When a ray of light passes through an equilateral glass prism: [1] (n)
a) b)
c) d)
A ray of light is incident on one side of a rectangular glass block. Its path is plotted through the block
and out through another side. 
Which path is not possible?
[1] (o)
2. Answer the following questions: [15]
i. Diagram given in below is representing a pulley system having a velocity ratio 3 and an
efficiency of 80%. Calculate the mechanical advantage and efficiency. 
[1]
ii. Name a machine which can be used to
i. Multiply force.
ii. Change the direction of force applied.
[1]
iii. Why is a jack screw provided with a long arm? [1]
(a)
A meter scale is balanced in horizontal position as shown in figure given below. Find the value of w. [2] (b)
Section B
Attempt any 4 questions
A woman draws water from a well using a fixed pulley. The mass of the bucket and water together is
6 kg. The force applied by the woman is 70 N. Calculate the mechanical advantage. (take g = 10 ms
-2
)
[2] (c)
Calculate the resultant torque from the following diagram: [2] (d)
A girl of mass 35 kg climbs up from the first floor of a building at a height 4 m above the ground to
the third floor at a height 12 m above the ground. What will be the increase in her gravitational
potential energy? (g = 10 m
-2
)
[2] (e)
Calculate the amount of charge that flows through a conductor when a current of 5A flows through it
for 2 min.
[2] (f)
i. What do you understand by free vibrations of a body?
ii. Why does the amplitude of a vibrating body continuously decrease during damped vibrations?
[2] (g)
3. Answer the following questions; [10]
State Snell's law of refraction of light. [2] (a)
What is internal resistance of a cell? Write two factors on which it depends. [2] (b)
The equivalent resistance of the following circuit diagram is 4 . Calculate the value of x. [2] (c) O i. Define specific heat capacity of a substance. State its SI unit.
ii. Give one example of each, where high specific heat capacity of water is used
a. In cooling
b. As heat resistor.
[2] (d)
Point out the comparison for
i. the ionising powers and
ii. penetrating powers of ,  and -radiations.
[2] (e)
a ß ? 4. Answer the following questions: [10]
A concave lens has a focal length 15 cm. At what distance should an object be placed from the lens so
that it forms an image at 10 cm from the lens? What is the nature of the image
[3] (a)
250 g of water at 30°C is present in a copper vessel of mass 50 g. Calculate the mass of ice required to
bring down the temperature of the vessel and its contents to 5°C. (Specific latent heat of fusion of ice
= 336  10
3
 J kg
-1
, specific heat capacity of copper vessel = 400 J kg
-1 
°C
-1
, specific heat capacity of
water = 4200 J kg
-1 
°C
-1
)
[3] (b)
× A lens of focal length 20 cm forms an inverted image at a distance 60 cm form the lens.
i. Identify the lens.
[4] (c)
ii. How far is the lens present in front of the object?
iii. Calculate the magnification of the image.
5. Answer the following questions: [10]
i. Copy and complete the ray diagram to show the information of the image of the object AB.
ii. Name the lens LL'.
iii. Name a device in which this principle is used. 
[3] (a)
An object AB is placed between O and F
1 
on the principal axis of a converging lens as shown in the
diagram. 
Copy the diagram and by using three standard rays starting from point A, obtain an image of the
object AB.
[3] (b)
What is meant by scattering of light? Mention the factor on which it depends. Explain why
i. the colour of the clear sky is blue and
ii. for astronauts sky appears darker?
[4] (c)
6. Answer the following questions: [10]
A long rod of length 200 cm has its fulcrum situated at a distance of 25 cm from the load. Calculate
the mechanical advantage of the rod.
[3] (a)
i. Why does a rope walker hold a long pole in his hands?
ii. The passengers in a boat are not allowed to stand while crossing a river. Why?
iii. The screw drivers have long handles. Why?
[3] (b)
If a body of mass m is moving with velocity v, then derive an expression for its kinetic energy. [4] (c)
7. Answer the following questions: [10]
It is observed that during march-past we hear a base drum distinctly from a distance compared to the
side drums.
i. Name the characteristic of sound associated with the above observation.
ii. Give a reason for the above observation.
[3] (a)
It is known that  (uranium nucleus) decays to finally form the stable lead nucleus . What
is the number of alpha particles and beta particles emitted in this decay process?
[3] (b) U 2 3 8 9 2 P b 2 0 6 8 2 i. A person is tuning his radio set to a particular station. What is the person trying to do to tune it?
ii. Name the phenomenon involved, in tuning the radio set.
iii. Define the phenomenon named by you in part (ii).
[4] (c)
8. Answer the following questions: [10]