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JEE Main Calorimetry and Heat Transfer questions with solutions

Specific heat, calorimetry, conduction, radiation and Newton law of cooling. 13 questions from our 2016–2025 JEE Main pattern papers, from the Class 11 Physics syllabus. Each has the answer and a full solution.

Also practise: Calorimetry and Heat Transfer for JEE Advanced

JEE Main 2025

Four rods of the same cross-sectional area A are joined as follows. Rod 1 has thermal conductivity 2k and length 30 cm. Three other identical rods…JEE Main 2025 · medium

JEE Main 2024

Two rods of equal cross-section are joined end to end. The first has length 10 cm and thermal conductivity K, the second has length 30 cm and…JEE Main 2024 · medium

JEE Main 2023

50 g of ice at 0^circC is to be completely converted into water at 40^circC by passing steam at 100^circC into it in a perfectly insulated vessel of…JEE Main 2023 · medium

JEE Main 2022

Two uniform rods of the same cross-section are joined end to end. Rod 1 has length 20 cm and thermal conductivity 2K; rod 2 has length 30 cm and…JEE Main 2022 · easy

JEE Main 2021

Two rods of the same cross-section are joined end to end. The first has length L and conductivity K; the second has length 2L and conductivity 3K.…JEE Main 2021 · easy

JEE Main 2020

Steam at 100^circC is passed into a vessel of water equivalent 10 g containing 44 g of ice, both initially at -10^circC, until the contents reach…JEE Main 2020 · medium

JEE Main 2019

JEE Main 2018

A uniform wire of resistance 8 Ω is connected across an ideal 16 V source. The wire is then drawn (without loss of material) to 1.5 times its…JEE Main 2018 · easy

JEE Main 2017

JEE Main 2016

Other Physics topics

Atoms, Nuclei and Dual Nature of Radiation 29 Capacitors 10 Current Electricity 13 Electromagnetic Induction and Alternating Current 16 Electrostatics 15 Fluid Mechanics, Elasticity and Surface Tension 15 Gravitation 10 Kinematics and Laws of Motion 27 Magnetic Effects of Current 24 Ray and Wave Optics 16 Rotational Motion 16 Semiconductors and Communication 11 Simple Harmonic Motion 11 Thermodynamics and Kinetic Theory of Gases 19 Units and Measurements 10 Waves and Sound 23 Work, Energy and Power 11