JEE Main & Advanced Physics Thermodynamical Processes Question Bank Graphical Questions

  • question_answer
    An ideal gas is taken around ABCA as shown in the above P-V diagram. The work done during a cycle is [KCET 2001]

    A)            2PV

    B)            PV

    C)            1/2PV

    D)            Zero

    Correct Answer: A

    Solution :

               Work done = Area enclosed by triangle ABC\[=\frac{1}{2}AC\times BC=\frac{1}{2}\times (3V-V)\times (3P-P)=2\,PV\]


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