JEE Main & Advanced Physics Thermodynamical Processes Question Bank Graphical Questions

  • question_answer
    An ideal gas is taken around the cycle ABCA as shown in the P-V diagram. The net work done by the gas during the cycle is equal to                                                              [CPMT 1991]

    A)            \[12\,{{P}_{1}}{{V}_{1}}\]

    B)            \[6\,{{P}_{1}}{{V}_{1}}\]

    C)            \[3\,{{P}_{1}}{{V}_{1}}\]

    D)            \[2{{P}_{1}}{{V}_{1}}\]

    Correct Answer: D

    Solution :

               Work done \[=\frac{1}{2}\times 2{{P}_{1}}\times 2{{V}_{1}}=2{{P}_{1}}{{V}_{1}}\]


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