Skip to content

Sign in Sign up free

JEE Advanced Thermodynamics and Kinetic Theory of Gases questions with solutions

First and second laws, thermodynamic processes, cycles, heat engines, ideal gas laws and kinetic theory. 25 questions from our 2016–2025 JEE Advanced pattern papers, from the Class 11 Physics syllabus. Each has the answer and a full solution.

Also practise: Thermodynamics and Kinetic Theory of Gases for JEE Main

JEE Advanced 2025

A container holds a mixture of 1 mol of a monatomic ideal gas and 2 mol of a diatomic ideal gas (rigid molecules, no vibration), in thermal…JEE Advanced 2025 Paper 1 · medium
One mole of a monatomic ideal gas undergoes a cycle represented on a P-V diagram by a rectangle: (P0,V0)→(2P0,V0)→(2P0,2V0)→(P0,2V0)→(P0,V0), all…JEE Advanced 2025 Paper 2 · medium

JEE Advanced 2024

One mole of a monatomic ideal gas undergoes a cyclic process A→ B→ C→ A. Process A→ B is isochoric, raising the pressure from P0 to 3P0 at volume V0.…JEE Advanced 2024 Paper 1 · medium
One mole of a rigid diatomic ideal gas (translation and rotation only, no vibration) undergoes the quasi-static processes listed in List-I. List-II…JEE Advanced 2024 Paper 1 · hard
One mole of a monatomic ideal gas undergoes a quasi-static process described by P=P0(4-V/V0) as its volume increases from V0 to 3V0. The gas absorbs…JEE Advanced 2024 Paper 2 · hard

JEE Advanced 2023

A mixture of 1 mol of a monatomic ideal gas and 1 mol of a diatomic ideal gas (rigid, no vibration) is kept at 300 K. It is compressed adiabatically…JEE Advanced 2023 Paper 1 · medium
One mole of a monatomic ideal gas is heated through a process in which its temperature rises, so that it absorbs heat Q>0 and does work W. In List-I…JEE Advanced 2023 Paper 1 · hard

JEE Advanced 2022

One mole of a monatomic ideal gas undergoes a cyclic process A→ B→ C→ D→ A. On a P–V diagram, A=(P0,V0), B=(2P0,V0), C=(2P0,2V0) and D=(P0,2V0), each…JEE Advanced 2022 Paper 1 · medium
One mole of a monatomic ideal gas at pressure P0, volume V0 and temperature T0 expands reversibly and adiabatically to a volume 8V0.JEE Advanced 2022 Paper 1 · medium
One mole of a monatomic ideal gas (Cv=3/2R) undergoes the processes in List-I. Match each with its molar heat capacity in List-II. List-I: (P)…JEE Advanced 2022 Paper 1 · hard
One mole of a monatomic ideal gas is initially at pressure P0, volume V0 and temperature T0. It is taken to a volume 2V0 by three different…JEE Advanced 2022 Paper 2 · hard

JEE Advanced 2021

An ideal monatomic gas (n moles) undergoes the cycle A→ B→ C→ A on a P-V diagram: A(P0,V0)→ B(2P0,V0) at constant volume, B→ C(2P0,2V0) at constant…JEE Advanced 2021 Paper 2 · hard

JEE Advanced 2020

One mole of a monatomic ideal gas undergoes the cycle A→ B→ C→ A in the P–V plane: A(V0,P0)→ B(V0,2P0) at constant volume, B→ C(2V0,2P0) at constant…JEE Advanced 2020 Paper 1 · hard
A mixture of 1 mol of a monatomic and 1 mol of a rigid diatomic ideal gas is slowly taken through a process in which the pressure is directly…JEE Advanced 2020 Paper 2 · medium
One mole of a monatomic ideal gas executes a rectangular cycle on a P–V diagram: from a(P0,V0) isochorically to b(2P0,V0), then isobarically to…JEE Advanced 2020 Paper 2 · hard

JEE Advanced 2019

A closed insulated cylinder with a frictionless piston contains a mixture of 1 mol of a monatomic ideal gas and 1 mol of a rigid diatomic ideal gas…JEE Advanced 2019 Paper 1 · medium
One mole of a monatomic ideal gas undergoes a cyclic process A→ B→ C→ A in the P-V plane. A is the state (V0,P0) with temperature T0=P0V0/R. The…JEE Advanced 2019 Paper 2 · hard

JEE Advanced 2018

One mole of a monatomic ideal gas, initially at pressure P0, volume V0 and temperature T0, is taken to volume 2V0 by a process in which its pressure…JEE Advanced 2018 Paper 1 · medium
N moles of a monatomic ideal gas, initially at pressure P0, volume V0 and temperature T0 (state A), execute the cycle A→B→C→A. A→B is an isothermal…JEE Advanced 2018 Paper 2 · hard

JEE Advanced 2017

Paragraph 1: One mole of a monatomic ideal gas (γ=5/3) starts at (P0,V0,T0) and expands quasi-statically until its volume is 2V0 by one of four…JEE Advanced 2017 Paper 1 · 3-question set
One mole of a diatomic ideal gas (rotational but no vibrational modes active) undergoes a process in which its pressure is directly proportional to…JEE Advanced 2017 Paper 2 · medium

JEE Advanced 2016

Two moles of a monatomic ideal gas are taken through a quasi-static process in which the pressure remains directly proportional to the volume…JEE Advanced 2016 Paper 1 · medium
One mole of a monatomic ideal gas is taken quasi-statically through a process in which its pressure is proportional to its volume, P=α V, until the…JEE Advanced 2016 Paper 2 · medium

Other Physics topics

Atoms, Nuclei and Dual Nature of Radiation 35 Calorimetry and Heat Transfer 17 Capacitors 11 Current Electricity 13 Electromagnetic Induction and Alternating Current 25 Electrostatics 15 Fluid Mechanics, Elasticity and Surface Tension 21 Gravitation 13 Kinematics and Laws of Motion 11 Magnetic Effects of Current 34 Ray and Wave Optics 21 Rotational Motion 31 Simple Harmonic Motion 15 Units and Measurements 8 Waves and Sound 28 Work, Energy and Power 9