JEE Main 2025 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 2 April 2025, Shift 2, Physics Q50

Question 50 of 75 in this shift, Physics question 25 of 25, Section B.

The internal energy of air in

4\ \mathrm{m}\times4\ \mathrm{m}\times3\ \mathrm{m}

sized room at 1 atmospheric pressure will be __________

\times10^6

J. (Consider air as diatomic molecule)

Official answer

NTA final key.

Chapter: Kinetic Theory
Topic: Kinetic Theory of Gases
Idea tested: Law of Equipartition

Same idea in other shifts

Asked 3× in all

8 Apr 2024, Shift 1 · Q39A mixture of one mole of monoatomic gas and one mole of a diatomic gas (rigid) are kept at room temperature ( $27^\circ$ C). The ratio of…EasySingle correct
18 Mar 2021, Shift 1 · Q17What will be the average value of energy along one degree of freedom for an ideal gas in thermal equilibrium at a temperature T ? ( $k_B$ …EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.