25 JEE Main 2023 Thermodynamics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2023 previous-year questions from the Thermodynamics chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Thermodynamics chapter hub.
Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R . Assertion A : If…
An engine operating between the boiling and freezing points of water will have A. Efficiency more than 27 % . B. Effici…
The pressure of a gas changes linearly with volume from A to B as shown in figure. If no heat is supplied to or extract…
Consider two containers A and B containing monoatomic gases at the same Pressure P , Volume V and Temperature T . The g…
1   g of a liquid is converted to vapour at 3 × 10 5   Pa pressure. If 10 % of the heat supplied is used…
For three low density gases A ,   B ,   C pressure versus temperature graphs are plotted while keeping them a…
Heat energy of 735   J is given to a diatomic gas allowing the gas to expand at constant pressure. Each gas molecu…
Given below are two statements: Statement I: If heat is added to a system, its temperature must increase. Statement II:…
Work done by a Carnot engine operating between temperatures 127 ° C and 27 ° C is 2   kJ . The amount of…
Match List I with List II : List I List II A Isothermal Process I Work done by the gas decreases internal energy B Adia…
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