JEE Main & Advanced Physics Thermodynamical Processes Question Bank Topic Test - Thermodynamical Process (2021)

  • question_answer
    In an isothermal expansion          

    A) Internal energy of the gas increases

    B) Internal energy of the gas decreases

    C) Internal energy remains unchanged

    D) Average kinetic energy of gas molecule decreases

    Correct Answer: C

    Solution :

    [c] In isothermal expansion temperature remains constant, hence no change in internal energy.

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