JEE Main & Advanced Physics Thermodynamical Processes Question Bank Adiabatic Process

  • question_answer
    If \[\gamma =2.5\] and volume is equal to \[\frac{1}{8}\] times to the initial volume then pressure P' is equal to (Initial pressure = P) [RPET 2003]

    A)            \[P'=P\]                                  

    B)            \[P'=2P\]

    C)            \[P'=P\times {{(2)}^{15/2}}\]

    D)            \[P'=7P\]

    Correct Answer: C

    Solution :

               \[\frac{{{P}_{2}}}{{{P}_{1}}}={{\left( \frac{{{V}_{1}}}{{{V}_{2}}} \right)}^{\gamma }}\Rightarrow \frac{P'}{P}={{(8)}^{5/2}}\Rightarrow P'=P\times {{(2)}^{15/2}}\]


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