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JEE Main & Advanced Physics Thermodynamical Processes Question Bank Self Evaluation Test - Thermodynamics

  • question_answer
    During an isothermal expansion, a confined ideal gas does -150 J of work against its surroundings. This implies that

    A) 150 J heat has been removed from the gas

    B) 300 J of heat has been added to the gas

    C) no heat is transferred because the process is isothermal

    D) 250 J of heat has been added to the gas

    Correct Answer: A

    Solution :

    [a] If a process is expansion then work done is positive so answer will be [a].


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