JEE Main & Advanced Physics Kinetic Theory of Gases Question Bank Topic Test - Kinetic Theory Of Gases-2

  • question_answer
    The root mean  square velocity  of a gas molecule of mass m at a given temperature is proportional to

    A) \[{{m}^{0}}\]

    B) m

    C) \[\sqrt{m}\]       

    D) \[\frac{1}{\sqrt{m}}\]

    Correct Answer: D

    Solution :

    [d] \[{{v}_{rms}}=\sqrt{\frac{3kT}{m}}={{v}_{rms}}\propto \frac{1}{\sqrt{m}}\]         


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