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JEE Main & Advanced Physics Thermodynamical Processes Question Bank Adiabatic Process

  • question_answer
    During the adiabatic expansion of 2 moles of a gas, the internal energy was found to have decreased by 100 J. The work done by the gas in this process is [MP PET 1996, 97]

    A)            Zero                                         

    B)            ?100 J

    C)            200 J                                        

    D)            100 J

    Correct Answer: D

    Solution :

                       For adiabatic process from FLOT                    \[\Delta W=-\Delta U\]    \[(\because \Delta Q=0)\]            Þ \[\Delta W=-(-100)=+100J\]


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