CLASS 10 ICSE PHYSICS SAMPLE QUESTION PAPER 2024-10(Specimen 2024)

Maximum Marks: 80

Time Allowed: Three hours

There are 35 questions in this question paper with internal choice.

SECTION A consists of 18 multiple-choice questions carrying 1 mark each.

SECTION B consists of 7 very short answer questions carrying 2 marks each.

SECTION C consists of 5 short answer questions carrying 3 marks each.

SECTION D consists of 2 case- based questions carrying 4 marks each.

SECTION E consists of 3 long answer questions carrying 5 marks each.

All questions are compulsory.

Use of log tables and calculators is not allowed

CLASS 10 ICSE PHYSICS SAMPLE QUESTION PAPER 2024-10(Specimen 2024)

Section-A

Question 1 Choose the correct answers to the questions from the given options. (Do not copy the question, write the correct answers only.)

(i) A moment of couple has a tendency to rotate the body in an anticlockwise direction. Then the moment of couple is taken as: (a) positive (b) negative (c) maximum (d) zero

Solution

(ii) The kinetic energy of a given body depends on the: (a) position (b) centre of gravity of the body. (c) momentum (d) displacement

Solution

(iii) For burning of coal in a thermoelectric station, the energy conversion taking place is: (a) chemical to heat to mechanical (b) chemical to heat to mechanical to electrical (c) chemical to heat to light (d) heat to chemical to mechanical

Solution

Solution

Solution

(vi) For a convex lens, the minimum distance between an object and its real image in terms of focal length (f) of a given lens must be: (a) 1.5 f (b) 2.5 f (c) 2 f (d) 4 f

Solution

(vii) Two sound waves X and Y have same amplitude and same wave pattern, but their frequencies are 60 Hz and 120 Hz respectively, then: (a) X will be shriller and Y will be grave (b) X will be grave and Y will be shriller (c) X will differ in quality than Y (d) X is louder than Y.

Solution

(viii) Vibrations produced in a body under the influence of the periodic force is; (a) forced vibrations (b) resonant vibrations (c) damped vibrations (d) sympathetic vibrations

Solution

(ix) The graph of voltage vs current for four different materials is shown below Which of these four materials would be used for making the coil of a toaster? (a) Q (b) S (c) P (d) R

Solution

(x) According to the old convention the colour of the earth wire is: (a) black (b) green (c) yellow (d) red

Solution

(xi) Lenz’s law is based on the law of conservation of: (a) force (b) charge (c) mass (d) energy

Solution

Solution

(xiii) The amount of heat energy required to melt a given mass of a substance at its melting point without rise in its temperature is called: (a) specific heat capacity (b) specific latent heat of fusion (c) latent heat of fusion (d) specific latent heat of freezing

Solution

(xiv) When a ray of light enters from a denser medium to a rarer medium then: (a) the light ray bends towards the normal (b) the speed of light increases (c) the angle of incidence is greater than the angle of refraction (d) its wavelength decreases.

Solution

(xv) An endoscope uses optical fiber to transmit high resolution images of internal organs without loss of information. The phenomenon of light that governs the functioning of the optical fiber is: (a) refraction (b) reflection (c) scattering (d) total internal reflection.

Solution

(i) (a) Name the principle on which a lever works. (b) Which radiations that are emitted during the decay of a nucleus, having highest penetrating power? (c) Does the emission of the above-mentioned radiation result in a change in the mass number?

Solution

(ii) A metre rod made of copper and steel as shown in the diagram. Weights of copper and steel are 10 N and 8 N respectively. (a) On which part does the centre of gravity lie (0 to 50 or 50 to 100). (b) Justify your answer

Solution

(iii) A lever is shown below. (a) Identify the type of lever. (b) Calculate its mechanical advantage.

Solution

(iv) Two bodies A and B have same kinetic energies. Compare their velocities if mass of A is four times the mass of B.

Solution

(v) Draw a graph of potential energy vs height from the ground for a body thrown vertically upwards.

Solution

(vi) Two copper wires A and B are of the same thickness and are at the room temperature. If the length of A is twice the length of B then: (a) Compare their resistances (b) Compare their resistivities

Solution

(vii) (a) Name the waves used for echo depth sounding. (b) Give one reason for their use in the above application

Solution

(i) (a) Refer to the diagram given below. A lens with two different refractive indices is shown. If the rays are coming from a distant object, then how many images will be seen? (b) A glass lens always forms a virtual, erect and diminished image of an object kept in front of it. Identify the lens.

Solution

(ii) It is observed that the house circuits are arranged in a parallel combination. Give two advantages of this arrangement.

Solution

(iii) A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency. (a) Identify the type of transformer used for the above purpose. (b) State whether the turns ratio of the above transformer is =1 or >1 or < 1.

Solution

(iv) A solid of mass 60 g at 100°C is placed in 150 g of water at 20°C. The final steady temperature is 25°C. Calculate the heat capacity of solid [sp. heat capacity of water = 4.2 J g -1 K -1 ]

Solution

(v) What is a nuclear waste? State one method to dispose it safely

Solution

SECTION B

(i) (i) The diagram below shows a fish in the tank and its image seen in the surface of water. (a) Name the phenomenon responsible for the formation of this image. (b) Complete the path of the ray through the glass prism of critical angle 42o till it emerges out of the prism.

Solution

(ii) (a) The refractive index of water is 1.33 at a certain temperature. When the temperature of water is increased by 40o C, the refractive index changes to ‘x’. State whether x < 1.33 or x> 1.33. (b) State two differences between normal reflection and total internal reflection.

Solution

(iii) The above diagram shows that an observer sees the image of an object O at I. (a) Name and define the phenomenon responsible for seeing the image at a different position. (b) State the effect on X when: 1. Y increases 2. Y decreases

Solution

(i) An object is placed at a distance 24 cm in front of a convex lens of focal length 8 cm. (a) What is the nature of the image so formed? (b) Calculate the distance of the image from the lens.

Solution

Solution

Solution

Solution

Solution

Solution

Solution

Solution

(iii) A boy tunes a radio channel to a radio station 93.5 MHz. (a) Name and define the scientific wave phenomenon involved in tuning the radio channel. (b) Name the important characteristics of sound that is affected during this phenomenon. (c) Convert 93.5 MHz to SI unit

Solution

Solution

(ii) (a) Copy and complete the following nuclear reaction (b) What will be the effect on the radiation X, emitted in the above reaction when it is allowed to pass through an electric field?

Solution

(iii) Observe the given circuit diagram and answer the questions that follow: (a) Calculate the resistance of the circuit when the key K completes the circuit. (b) Calculate the current through 3Ω resistance when the circuit is complete.

Solution

Solution

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SERVICES

Question 1

Choose the correct answers to the questions from the given options.
(Do not copy the question, write the correct answers only.)

(i) A moment of couple has a tendency to rotate the body in an anticlockwise direction. Then the moment of couple is taken as:

(a) positive
(b) negative
(c) maximum
(d) zero

(ii) The kinetic energy of a given body depends on the:

(a) position
(b) centre of gravity of the body.
(c) momentum
(d) displacement

(iii) For burning of coal in a thermoelectric station, the energy conversion taking place is:

(a) chemical to heat to mechanical
(b) chemical to heat to mechanical to electrical
(c) chemical to heat to light
(d) heat to chemical to mechanical

(vi) For a convex lens, the minimum distance between an object and its real image in terms of focal length (f) of a given lens must be:

(a) 1.5 f
(b) 2.5 f
(c) 2 f
(d) 4 f

(vii) Two sound waves X and Y have same amplitude and same wave pattern, but their frequencies are 60 Hz and 120 Hz respectively, then:

(a) X will be shriller and Y will be grave
(b) X will be grave and Y will be shriller
(c) X will differ in quality than Y
(d) X is louder than Y.

(viii) Vibrations produced in a body under the influence of the periodic force is;

(a) forced vibrations
(b) resonant vibrations
(c) damped vibrations
(d) sympathetic vibrations

(ix) The graph of voltage vs current for four different materials is shown below

Which of these four materials would be used for making the coil of a toaster?

(a) Q
(b) S
(c) P
(d) R

(x) According to the old convention the colour of the earth wire is:

(a) black
(b) green
(c) yellow
(d) red

(xi) Lenz’s law is based on the law of conservation of:

(a) force
(b) charge
(c) mass
(d) energy

(xiii) The amount of heat energy required to melt a given mass of a substance at its melting point without rise in its temperature is called:

(a) specific heat capacity
(b) specific latent heat of fusion
(c) latent heat of fusion
(d) specific latent heat of freezing

(xiv) When a ray of light enters from a denser medium to a rarer medium then:

(a) the light ray bends towards the normal
(b) the speed of light increases
(c) the angle of incidence is greater than the angle of refraction
(d) its wavelength decreases.

(xv) An endoscope uses optical fiber to transmit high resolution images of internal organs without loss of information. The phenomenon of light that governs the functioning of the optical fiber is:

(a) refraction
(b) reflection
(c) scattering
(d) total internal reflection.

(i) (a) Name the principle on which a lever works.

(b) Which radiations that are emitted during the decay of a nucleus, having highest penetrating power?

(c) Does the emission of the above-mentioned radiation result in a change in the mass number?

(ii)

A metre rod made of copper and steel as shown in the diagram. Weights of copper and steel are 10 N and 8 N respectively.

(a) On which part does the centre of gravity lie (0 to 50 or 50 to 100).
(b) Justify your answer

(iii) A lever is shown below.

(a) Identify the type of lever.
(b) Calculate its mechanical advantage.

(vi) Two copper wires A and B are of the same thickness and are at the room temperature. If the length of A is twice the length of B then:

(a) Compare their resistances
(b) Compare their resistivities

(vii) (a) Name the waves used for echo depth sounding.

(b) Give one reason for their use in the above application

(i) (a) Refer to the diagram given below. A lens with two different refractive indices is shown. If the rays are coming from a distant object, then how many images will be seen?

(b) A glass lens always forms a virtual, erect and diminished image of an object kept in front of it. Identify the lens.

(iii) A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.

(a) Identify the type of transformer used for the above purpose.
(b) State whether the turns ratio of the above transformer is =1 or >1 or < 1.

(iv) A solid of mass 60 g at 100°C is placed in 150 g of water at 20°C. The final steady temperature is 25°C. Calculate the heat capacity of solid

[sp. heat capacity of water = 4.2 J g ^-1 K ^-1 ]

(i) (i) The diagram below shows a fish in the tank and its image seen in the surface of water.

(a) Name the phenomenon responsible for the formation of this image.

(b) Complete the path of the ray through the glass prism of critical angle 42o till it emerges out of the prism.

(ii) (a) The refractive index of water is 1.33 at a certain temperature. When the temperature of water is increased by 40o C, the refractive index changes to ‘x’. State whether x < 1.33 or x> 1.33.

(b) State two differences between normal reflection and total internal reflection.

(iii)

The above diagram shows that an observer sees the image of an object O at I.

(a) Name and define the phenomenon responsible for seeing the image at a different position.

(b) State the effect on X when:

1. Y increases
2. Y decreases

(i) An object is placed at a distance 24 cm in front of a convex lens of focal length 8 cm.

(a) What is the nature of the image so formed?
(b) Calculate the distance of the image from the lens.

(iii) A boy tunes a radio channel to a radio station 93.5 MHz.

(a) Name and define the scientific wave phenomenon involved in tuning the radio channel.
(b) Name the important characteristics of sound that is affected during this phenomenon.
(c) Convert 93.5 MHz to SI unit

(ii) (a) Copy and complete the following nuclear reaction

(b) What will be the effect on the radiation X, emitted in the above reaction when it is allowed to pass through an electric field?

(iii) Observe the given circuit diagram and answer the questions that follow:

(a) Calculate the resistance of the circuit when the key K completes the circuit.

(b) Calculate the current through 3Ω resistance when the circuit is complete.