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

  • question_answer
    Two kg of water is converted into steam by boiling at atmospheric pressure. The volume changes from \[2\times {{10}^{-3}}{{m}^{3}}\] to \[3.34{{m}^{3}}.\]The work done by the system is about

    A) -340 kJ

    B) -170 kJ

    C) 170U kJ

    D) 340 kJ

    Correct Answer: D

    Solution :

    [d] \[W=P\left( \Delta V \right)=1\times {{10}^{5}}\times \left( 3.34-2\times {{10}^{-3}} \right)\] \[=340\times {{10}^{3}}J\]


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