Manipal Engineering Manipal Engineering Solved Paper-2010

  • question_answer
    If the rms velocity of a gas is v, then

    A)  \[{{v}^{2}}T\] = constant             

    B)  \[{{v}^{2}}/T\] = constant

    C)  \[v{{T}^{2}}\] = constant                             

    D)  v is independent of T

    Correct Answer: B

    Solution :

    Rms velocity is given by                 \[v=\sqrt{\frac{3kT}{m}}\]or\[{{v}^{2}}=\frac{3kT}{m}\] For a gas,\[k\]and\[m\]are constants. \[\therefore \,\,\,\,\,\,\,\,\,\frac{{{v}^{2}}}{T}=\]constant


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