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Internal Energy of a Gas for JEE: 13 solved questions

Real JEE paper questions on internal energy of a gas, part of kinetic theory of gases. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2009 to 2024. No sign-in needed to read them.

What this topic asks

• Internal energy of a gas — 13 questions

All 13 questions with solutions

• A thermally insulated vessel contains an ideal gas of molecular mass M and ratio of specific heats γ. It is m… AIEEE 2011
• Energy of 10 non-rigid diatomic molecules at temperature T is JEE Main 5th April 2nd Shift 2024
• The total kinetic energy of 1 mole of oxygen at 27°C is [Use universal gas constant (R) = 8.31 J/mole K] JEE Main 27th Jan 2nd Shift 2024
• 7 mole of a certain monoatomic ideal gas undergoes a temperature increase of 40 K at constant pressure. The i… JEE Main 26th July 1st Shift 2022
• A thermally insulated vessel contains an ideal gas of molecular mass M and ratio of specific heats 1.4. The v… JEE Main 26th June 1st Shift 2022
• The internal energy (U), pressure (P) and volume (V) of an ideal gas are related as U = 3PV + 4. The gas is JEE Main 26th Feb 2nd Shift 2021
• Consider a gas of triatomic molecules. The molecules are assumed to be triangular and made of massless rigid… JEE Main 3rd Sept 1st Shift 2020
• Molecules of an ideal gas are known to have three translational degrees of freedom and two rotational degrees… JEE Main 6th Sept 1st Shift 2020
• N moles of a diatomic gas in a cylinder are at a temperature T. Heat is supplied to the cylinder such that th… JEE Main Online 2017
• One kg of a diatomic gas is at a pressure of 8 × 10⁴ N/m². The density of the gas is 4 kg/m³. What is the ene… AIEEE 2009
• The total internal energy of two mole monoatomic ideal gas at temperature T = 300 K will be J. (Given R = 8.3… JEE Main 28th June 1st Shift 2022
• A monoatomic gas of mass 4.0 u is kept in an insulated container. The container is moving with a velocity 30… JEE Main 25th Feb 1st Shift 2021
• An engine takes in 5 moles of air at 20°C and 1 atm, and compresses it adiabatically to 1/10th of the origina… JEE Main 2nd Sept 1st Shift 2020