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JEE Advanced Calorimetry and Heat Transfer questions with solutions

Specific heat, calorimetry, conduction, radiation and Newton law of cooling. 17 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: Calorimetry and Heat Transfer for JEE Main

JEE Advanced 2025

A copper rod (k=400 W m^-1K^-1, length 0.50 m) and a steel rod (k=50 W m^-1K^-1, length 0.25 m), both of cross-sectional area 4 cm^2, are joined end…JEE Advanced 2025 Paper 1 · medium
One mole of a monatomic ideal gas undergoes the processes in List-I. Match each process with the molar heat capacity C of the gas in that process…JEE Advanced 2025 Paper 1 · hard
Two rods of equal cross-section 1.0×10^-4 m^2 are joined end to end. Rod 1 has length 0.40 m and thermal conductivity 200 W m^-1K^-1; rod 2 has…JEE Advanced 2025 Paper 2 · medium

JEE Advanced 2024

A long steam pipe of outer radius 1 cm is surface-held at 120^circC. It is lagged by two coaxial cylindrical layers of different materials in perfect…JEE Advanced 2024 Paper 1 · medium

JEE Advanced 2023

A planet of negligible atmospheric heat capacity orbits a star at distance d=1.5×10^11 m. The star is a black body of radius 7×10^8 m and surface…JEE Advanced 2023 Paper 2 · medium

JEE Advanced 2021

A small thin sheet of mass 0.10 g and area 1.0×10^-4 m^2 hangs from a long light thread. It is kept vertical by a light frame, so that a horizontal…JEE Advanced 2021 Paper 1 · hard
A copper rod (K=400 W m^-1K^-1, length 0.50 m) is joined end to end with a brass rod (K=100 W m^-1K^-1, length 0.50 m); both have cross-sectional…JEE Advanced 2021 Paper 2 · medium

JEE Advanced 2020

Two uniform rods A and B of the same length L and cross-section S are joined end to end. The thermal conductivity of A is 3k and that of B is k. The…JEE Advanced 2020 Paper 1 · medium

JEE Advanced 2019

A copper rod (length 40 cm, cross-section 2.0 cm^2, K=400 W m^-1K^-1) is joined end to end to an iron rod (length 20 cm, same cross-section, K=80 W…JEE Advanced 2019 Paper 1 · medium
A copper rod and a steel rod, each 0.50 m long with the same cross-section 4.0 cm^2, are joined end to end. The free end of the copper rod is kept in…JEE Advanced 2019 Paper 2 · medium

JEE Advanced 2018

A copper rod of length 0.40 m and a steel rod of length 0.30 m, each of cross-sectional area 2.0 cm^2, are joined end to end and thermally insulated…JEE Advanced 2018 Paper 1 · medium
Two rods of the same cross-sectional area 2.0 cm^2 are joined end to end and lagged on their sides. The first is 0.50 m long with thermal…JEE Advanced 2018 Paper 2 · medium
One mole of a monatomic ideal gas undergoes the quasi-static processes listed in List-I. The molar heat capacity C of the gas in each process…JEE Advanced 2018 Paper 2 · medium

JEE Advanced 2017

Two uniform rods of the same cross-section 4×10^-4 m^2 are joined end to end and lagged on their sides. Rod 1 has length 0.5 m and thermal…JEE Advanced 2017 Paper 1 · medium
Two solid spheres A and B of the same material and the same density behave as black bodies. A has radius r and absolute temperature 2T0, and B has…JEE Advanced 2017 Paper 2 · medium

JEE Advanced 2016

Two rods of the same cross-section S are joined end to end. Rod A has length L and thermal conductivity 2K; rod B has length 2L and thermal…JEE Advanced 2016 Paper 1 · medium
Two rods of identical cross-section A and length L have thermal conductivities k and 2k. They are joined end to end and their free ends are held at…JEE Advanced 2016 Paper 2 · medium

Other Physics topics

Atoms, Nuclei and Dual Nature of Radiation 35 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 Thermodynamics and Kinetic Theory of Gases 23 Units and Measurements 8 Waves and Sound 28 Work, Energy and Power 9