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NEET Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Self Evaluation Test - Thermodynamics

  • question_answer
    A gas expands adiabatically at constant pressure such that \[T\propto {{V}^{-1/2}}\]. The value of \[\gamma ({{C}_{p,m}}/{{C}_{V,m}})\]of the gas will be:

    A) 1.30                 

    B) 1.50

    C) 1.70                             

    D) 2

    Correct Answer: B

    Solution :

    \[T\propto \frac{1}{\sqrt{V}};T{{V}^{1/2}}=\]constant For adiabatic process, \[T{{V}^{\gamma -1}}\] = constant \[\therefore \gamma -1=\frac{1}{2},\,\gamma =\frac{3}{2}\]


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