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

  • question_answer
    In P-V diagram shown in figure AB C is a semicircle. The work done in the process ABC is  

    A) 4 J                               

    B) \[-\frac{\pi }{2}J\]

    C) \[\frac{\pi }{2}J\]                      

    D)        zero         

    Correct Answer: C

    Solution :

    [c] \[W=\frac{\pi {{r}_{1}}{{r}_{2}}}{2}=\frac{\pi \times 1\times 1}{2}=\pi /2J\]


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