WB JEE Medical WB JEE Medical Solved Paper-2013

  • question_answer
    A gas is taken through the cycle \[A\to B\to C\to A,\]as shown. What is the net work done by the gas?

    A)  2000 J

    B)   1000 J

    C)  Zero

    D)  -2000J

    Correct Answer: B

    Solution :

     Net work done = Area enclosed in pV curve, i.e., \[\Delta ABC\] \[=\frac{1}{2}\times 5\times {{10}^{-3}}\times 4\times {{10}^{5}}J\] \[={{10}^{3}}\,J\] \[=1000\,J\]


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