JEE Main & Advanced Physics Thermodynamical Processes Question Bank Topic Test - Thermodynamical Process (2021)

  • question_answer
    In thermodynamic process, 200 Joules of heat is given to a gas and 100 Joules of work is also done on it. The change in internal energy of the gas is

    A) 100 J

    B) 300 J

    C) 419 J

    D) 24 J

    Correct Answer: B

    Solution :

    [b] \[\Delta Q=\Delta U+\Delta W\]; \[\Delta Q=200J\] and \[\Delta W=-100J\]
                Þ \[\Delta U=\Delta Q-\Delta W=200-(-100)=300J\]

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