JEE Main 2021PhysicsKinetic Theory of Gases

JEE Main 2021 — Kinetic Theory of Gases Questions with Solutions

26 JEE Main 2021 Kinetic Theory of Gases previous-year questions with verified answers and step-by-step solutions.

These are the JEE Main 2021 previous-year questions from the Kinetic Theory of Gases chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Kinetic Theory of Gases chapter hub.

  1. Q12021MCQEasy

    The correct relation between the degrees of freedom f and the ratio of specific heat γ is:

  2. Q22021MCQEasy

    What will be the average value of energy along one degree of freedom for an ideal gas in thermal equilibrium at a tempe…

  3. Q32021MCQEasy

    If the R.M.S. speed of oxygen molecules at 0 ° C is 160   m   s - 1 . Find the R.M.S. speed of hydrogen…

  4. Q42021NumericalMedium

    The root-mean-square speed of molecules of a given mass of a gas at 27   ° C and 1 atmosphere pressure is 200…

  5. Q52021MCQMedium

    A diatomic gas, having C P = 7 2 R and C V = 5 2 R , is heated at constant pressure. The ratio d U : d Q : d W

  6. Q62021MCQEasy

    For a gas C P - C V = R in a state P and C P - C V = 1 . 10 R in a state Q , T P and T Q are the temperatures in two di…

  7. Q72021MCQEasy

    Calculate the value of the mean free path λ for oxygen molecules at temperature 27 ° C and pressure 1 . 01 &#…

  8. Q82021NumericalMedium

    A system consists of two types of gas molecules A and B having the same number density 2 × 10 25   m - 3 . Th…

  9. Q92021MCQEasy

    The number of molecules in one litre of an ideal gas at 300   K and 2 atmospheric pressure with mean kinetic energ…

  10. Q102021MCQMedium

    A balloon carries a total load of 185   kg at normal pressure and temperature of 27 ° C . What load will the…

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