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BVP Medical BVP Medical Solved Paper-2003

  • question_answer
    Air is expanded from 50 litre to 150 litre at 2 atmospheric pressure. The external work done is \[(1atmosphere=1\times {{10}^{5}}N/{{m}^{2}}):\]

    A) \[2\times {{10}^{-8}}J\]                

    B) \[2\times {{10}^{-4}}J\]

    C)  200J                                     

    D)  2000 J

    Correct Answer: B

    Solution :

                    From the formula, work done is \[W=P\times \Delta V=2\times {{10}^{5}}\times (150-50)\times {{10}^{-3}}\] \[=2\times {{10}^{4}}J\]


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