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

  • question_answer
    On any planet, the presence of atmosphere implies (\[{{C}_{rms}}\]= root mean square velocity of molecules and \[{{V}_{e}}\]= escape velocity)

    A) \[{{C}_{rms}}<<{{V}_{e}}\]

    B) \[{{C}_{rms}}>{{V}_{e}}\]

    C) \[{{C}_{rms}}={{V}_{e}}\]

    D) \[{{C}_{rms}}=0\]

    Correct Answer: A

    Solution :

    [a] Since \[{{C}_{rms}}<<{{V}_{e}},\] hence molecules do not escape out.


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