RAJASTHAN ­ PET Rajasthan PET Solved Paper-2002

  • question_answer
    In gas, the velocity of sound is v = \[\sqrt{\frac{\gamma RT}{M}}\], the dimensions of \[\gamma \] are

    A)  \[[{{M}^{0}}{{T}^{0}}{{T}^{0}}]\]      

    B)  \[[ML{{T}^{-2}}]\]

    C)  \[[ML{{T}^{-2}}]\]        

    D)  \[[L{{T}^{-2}}]\]

    Correct Answer: A

    Solution :

     \[\gamma =\frac{{{C}_{p}}}{{{C}_{V}}}\] Therefore, y is dimensionless quantity.


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