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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 15

  • question_answer
    Which one of the following statements is NOT true about the effect of an increase in temperature on the distribution of molecular speeds in a gas?

    A) The area under the distribution curve remains the same as under the lower temperature.

    B) The distribution becomes broader.

    C) The fraction of the molecules with the most probable speed increases.

    D) The most probable speed increases.

    Correct Answer: C

    Solution :

    As temperature rises, most probable speed increases and the fraction of molecules possessing most probable speed decreases.


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