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Manipal Engineering Manipal Engineering Solved Paper-2015

  • question_answer
    The term independent of x in the expansion of \[{{v}_{rms}}=\sqrt{\frac{3RT}{M}}\] is

    A)  -3                                          

    B)  0

    C) 1                                             

    D) 3

    Correct Answer: B

    Solution :

    We have,\[{{v}_{rms}}=\sqrt{\frac{3RT}{M}}\] \[{{v}_{sound}}=\sqrt{\frac{\gamma RT}{M}},\] \[{{v}_{rms}}=2{{v}_{sound}}\] Clearly, there is no term free from x on RHS. Therefore, the term independent of x on LHS is zero.


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