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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2004

  • question_answer
    During the adiabatic expansion of 2 moles of a gas, the change in internal energy was found to be equal to -100 J. The work done during the process will be equal to

    A)  zero                                     

    B)  -100 J

    C)  200 J                                    

    D)  100 J

    Correct Answer: D

    Solution :

    For adiabatic expansion \[dQ=0\] So, by      \[dQ=dU+dW\]                 \[dW=-dU\]                 \[=100J\]


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