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JEE-MAIN SERIES
Physics

Specific Heat Capacity

14 previous year questions.

Volume: 14 Ques
Yield: Medium

High-Yield Trend

1
2025
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2023
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2022
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2019
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2018

Chapter Questions
14 MCQs

01
PYQ 2018
medium
physics ID: jee-main
Two moles of helium are mixed with moles of hydrogen. If for the mixture, then the value of n is :
1
1
2
3
3
2
4
44622
02
PYQ 2019
medium
physics ID: jee-main
Two identical breakers A and B contain equal volumes of two different liquids at each and left to cool down. Liquid in A has density of and sp ecific heat o f 2000 J while liquid in B has density o f 103 kg m-3 and sp ecific heat o f 4000 J . Which of the following best describes their temperature versus time graph schematically? (assume the emissivity of both the beakers to be the same)
1
2
3
4
03
PYQ 2022
medium
physics ID: jee-main

Given below are two statements:

Statement-I : Susceptibilities of paramagnetic and ferromagnetic substances increase with decrease in temperature.

Statement-II : Diamagnetism is a result of orbital motions of electrons developing magnetic moments opposite to the applied magnetic field.

Choose the correct answer from the options given below:-

1
Both Statement-I and Statement-II are true
2
Both Statement-I and Statement-II are false
3
Statement-I is true but Statement-II is false
4
Statement-I is false but Statement-II is true
04
PYQ 2022
hard
physics ID: jee-main

A copper block of mass 5.0 kg is heated to a temperature of 500°C and is placed on a large ice block. What is the maximum amount of ice that can melt?

[Specific heat of copper 0.39 J g–1 °C–1 and latent heat of fusion of water : 335 J g–1]

1
1.5 kg
2
5.8 kg
3
2.9 kg
4
3.8 kg
05
PYQ 2022
medium
physics ID: jee-main
A steam engine intakes of steam at per minute and cools it down to . If latent heat of vaporization of steam is , then the heat rejected by the steam engine per minute is ______
(Given : specific heat capacity of water : )
06
PYQ 2022
medium
physics ID: jee-main
A monoatomic gas performs a work of where is the heat supplied to it. The molar heat capacity of the gas will be ____ during this transformation. Where is the gas constant.
07
PYQ 2022
medium
physics ID: jee-main
One mole of a monoatomic gas is mixed with three moles of a diatomic gas. The molecular specific heat of mixture at constant volume is RJ/mol k; then the value of α will be _______.
(Assume that the given diatomic gas has no vibrational mode).
08
PYQ 2023
medium
physics ID: jee-main

Let be the ratio of molar specific heat at constant pressure and molar specific heat at constant volume of a monoatomic gas and be the similar ratio of diatomic gas. Considering the diatomic gas molecule as a rigid rotator, the ratio, is :

1

2

3

4

09
PYQ 2023
hard
physics ID: jee-main

The pressure of a gas changes linearly with volume from to as shown in figure If no heat is supplied to or extracted from the gas then change in the internal energy of the gas will be Is

pressure of gas

1
2
3
zero
4
10
PYQ 2023
medium
physics ID: jee-main

A water heater of power is used to heat water. The specific heat capacity of water is .The efficiency of heater is .Time required to heat of water from to is___
(Assume that the specific heat capacity of water remains constant over the temperature range of the water)

11
PYQ 2023
medium
physics ID: jee-main
A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. The number of spectral lines emitted will be
1
1
2
2
3
3
4
4
12
PYQ 2023
medium
physics ID: jee-main

An engine operating between the boiling and freezing points of water will have
A. efficiency more than 27%
B. efficiency less than the efficiency a Carnot engine operating between the same two temperatures.
C. efficiency equal to 27%
D. efficiency less than 27%

1
B and C only
2
B and D only
3
A and B only
4
B, C and D only
13
PYQ 2023
medium
physics ID: jee-main
an body cools down from 80°C to 60°C in 5 minutes The temperature pf the surrounding is 20°C. The time taken to cool from 60°C to 40°C is
1
2
500 s
3
450 s
4
420 s
14
PYQ 2025
easy
physics ID: jee-main

Match List-I with List-II.

List-IList-II
(A) Heat capacity of body(I)
(B) Specific heat capacity of body(II)
(C) Latent heat(III)
(D) Thermal conductivity(IV)
1
(A)-(III), (B)-(I), (C)-(II), (D)-(IV)
2
(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
3
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)
4

(A)-(II), (B)-(III), (C)-(I), (D)-(IV)