NEET Sample Paper NEET Sample Test Paper-87

  • question_answer
    An ideal gas expands in volume from \[1\times {{10}^{-3}}\]to \[1\times {{10}^{-2}}{{m}^{3}}\] at \[300\,\,K\] against a constant pressure of \[1\times {{10}^{5}}N{{m}^{-2}}.\] The work done is

    A) \[270\,\,kJ\]       

    B)        \[-900\,\,kJ\]

    C) \[-900\,\,J\]       

    D)        \[900\,\,kJ\]

    Correct Answer: C

    Solution :

    [c] \[w=-P\Delta V=-{{10}^{5}}(1\times {{10}^{-2}}-1\times {{10}^{-3}})\]


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