JEE Physics

Degrees of Freedom & Law of Equipartition: JEE Questions & Solutions

14 previous-year JEE Physics questions on Degrees of Freedom & Law of Equipartition, each with a worked step-by-step solution.

Intermediate

Previous-year questions

  1. 01For a diatomic gas, if γ₁ = C_P/C_V for rigid molecules and γ₂ = C_P/C_V for another diatomic molecules, but also having vibrational modes.…MCQEasyJEE 2025
  2. 02The temperature of 1 mole of an ideal monoatomic gas is increased by 50^° C at constant pressure. The total heat added and change in…NVAEasyJEE 2025
  3. 03γ_A is the specific heat ratio of monoatomic gas A having 3 translational degrees of freedom. γ_B is the specific heat ratio of polyatomic…NVAEasyJEE 2025
  4. 04The internal energy of air in 4 m × 4 m × 3 m sized room at 1 atmospheric pressure will be _____ × 10⁶ J. (Consider air as a diatomic…NVAEasyJEE 2025
  5. 05Match the List-I with List-II. | List-I | List-II | |---|---| | (A) Triatomic rigid gas | (I) C_P/C_V = 5/3 | | (B) Diatomic non-rigid gas…MCQMediumJEE 2025
  6. 06The helium and argon are put in the flask at the same room temperature (300 K). The ratio of average kinetic energies (per molecule) of…MCQEasyJEE 2025
  7. 07The total kinetic energy of 1 mole of oxygen at 27^° C is: (Use the universal gas constant R = 8.31 J mol⁻¹K⁻¹)MCQEasyJEE 2024
  8. 08N moles of a polyatomic gas (f = 6) must be mixed with two moles of a monoatomic gas so that the mixture behaves as a diatomic gas. The…MCQEasyJEE 2024
  9. 09The parameter that remains the same for molecules of all gases at a given temperature is:MCQEasyJEE 2024
  10. 10Let γ₁ be the ratio of molar specific heat at constant pressure and molar specific heat at constant volume of a monoatomic gas and γ₂ be…MCQEasyJEE 2023
  11. 11According to the law of equipartition of energy, the molar specific heat of a diatomic gas at constant volume where the molecule has one…MCQEasyJEE 2023
  12. 12Heat energy of 735 J is given to a diatomic gas allowing the gas to expand at constant pressure. Each gas molecule rotates around an…MCQEasyJEE 2023
  13. 13Match List I with List II: List I: (A) 3 Translational degrees of freedom (B) 3 Translational, 2 rotational degrees of freedom (C) 3…MCQEasyJEE 2023
  14. 14A gas mixture consists of 2 moles of oxygen and 4 moles of neon at temperature T. Neglecting all vibrational modes, the total internal…MCQEasyJEE 2023

Frequently asked questions

Our bank has 14 previous-year JEE Physics questions tagged to Degrees of Freedom & Law of Equipartition, drawn from JEE papers between 2023 and 2025, including 6 from 2025 alone. Each comes with a full step-by-step solution.

Degrees of Freedom & Law of Equipartition is rated Intermediate overall for JEE Physics. The PYQs on this page break down as 13 easy, 1 medium.

Of the 14 previous-year questions on Degrees of Freedom & Law of Equipartition, 11 are multiple-choice (MCQ) and 3 are numerical-value (NVA) questions.

Based on recent paper analysis, Degrees of Freedom & Law of Equipartition is worth about 1 mark in JEE Main. It sits in Kinetic Theory of Gases, a Class 11 Physics chapter.

More Kinetic Theory of Gases topics

Equation of State of Ideal Gas15Molecular Speeds (rms, Average, Most Probable)11Pressure & Temperature Relation5Mean Free Path & Avogadro's Number5Kinetic Theory Assumptions0

Master Degrees of Freedom & Law of Equipartition with AI-adaptive practice.

Practice unlimited Degrees of Freedom & Law of Equipartition questions, track your mastery, and get every step explained by an AI tutor.

Start free trial