JEE Main & Advanced AIEEE Solved Paper-2009

  • question_answer
    Directions Q. Nos. 28 are based on the following paragraph. Two moles of helium gas are taken over the cycle ABCDA, as shown in the p-T diagram. Assuming the gas to be ideal the work done on the gas in taking it from A to B is:     AIEEE  Solved  Paper-2009

    A) 200 R

    B) 300 R    

    C) 400 R    

    D) 500 R

    Correct Answer: C

    Solution :

    \[{{W}_{AB}}=nR({{T}_{f}}{{T}_{i}})\] \[=2\times R(500-300)\] \[=400\text{ }R\]


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