CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2011

  • question_answer
    The speed of sound in a gas of density p at a pressure p is proportional to

    A)  \[{{\left( \frac{p}{\rho } \right)}^{2}}\]                 

    B)         \[{{\left( \frac{p}{\rho } \right)}^{\frac{3}{2}}}\]                              

    C)  \[\sqrt{\frac{\rho }{p}}\]                            

    D)         \[\sqrt{\frac{p}{\rho }}\]

    E)  \[{{\left( \frac{\rho }{p} \right)}^{2}}\]

    Correct Answer: D

    Solution :

    We knows\[c=\sqrt{\frac{\gamma p}{\rho }}\] Hence,                                  \[c={{\left( \frac{p}{\rho } \right)}^{1/2}}\]


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