CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2011

  • question_answer
    The ratio of the molar heat capacities of a diatomic gas at constant pressure to that at constant volume is

    A)  \[\frac{7}{2}\]                  

    B)         \[\frac{3}{2}\]                  

    C)  \[\frac{3}{5}\]                  

    D)         \[\frac{7}{5}\]

    E)  \[\frac{5}{2}\]

    Correct Answer: D

    Solution :

    \[{{C}_{V}}=\frac{5}{2}R\]and\[{{C}_{P}}=\frac{7}{2}R\] \[\therefore \]  \[\gamma =\frac{{{C}_{P}}}{{{C}_{V}}}=\frac{7}{5}\]


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