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JEE Main & Advanced Physics Thermodynamical Processes Question Bank Isobaric and Isochoric Processes

  • question_answer
    Work done by air when it expands from 50 litres to 150 litres at a constant pressure of 2 atmosphere is

    A)            \[2\times {{10}^{4}}\]joules  

    B)            \[2\times 100\]joules

    C)            \[2\times {{10}^{5}}\times 100\]joules                         

    D)            \[2\times {{10}^{-5}}\times 100\]joules

    Correct Answer: A

    Solution :

               \[W=P\times \Delta V=2\times {{10}^{5}}(150-50)\times {{10}^{-3}}=2\times {{10}^{4}}J\]


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