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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-18

  • question_answer
    In diagrams (i) to (iv) of figure, variation of volume by changing pressure is shown. A gas is taken along the path ABCD. The change in internal energy of the gas will be

    A)  positive in all the cases (i) to (iv)

    B)  positive in cases (i), (ii) and (iii) but zero m case (iv)

    C)  negative in cases (i), (ii) and (iii) but zero in case (iv)

    D)  zero in all the four cases

    Correct Answer: C

    Solution :

     In cyclic process, the change in internal energy is zero.


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