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JEE Main & Advanced Physics Thermodynamical Processes Question Bank First Law of Thermodynamics

  • question_answer
    First law of thermnodynamics is given by                                                                                              [CPMT 1977, 91]

    A)            \[dQ=dU+PdV\]                 

    B)            \[dQ=dU\times PdV\]

    C)            \[dQ=(dU+dV)\,P\]          

    D)            \[dQ=PdU+dV\]

    Correct Answer: A

    Solution :

               \[\Delta Q=\Delta U+\Delta W\] and \[\Delta W=P\Delta V\]


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