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

  • question_answer
    If a system undergoes contraction of volume then the work done by the system will be                                [BHU 1999]

    A)            Zero                                         

    B)             Negligible

    C)            Negative                                

    D)             Positive

    Correct Answer: C

    Solution :

               \[\Delta W=P\Delta V;\] here DV is negative so DW will be negative


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