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

  • question_answer
    One mole of a perfect gas in a cylinder fitted with a piston has a pressure P, volume V and temperature T. If the temperature is increased by 1 K  keeping pressure constant, the increase in volume is

    A)            \[\frac{2V}{273}\]              

    B)            \[\frac{V}{91}\]

    C)            \[\frac{V}{273}\]                

    D)            V

    Correct Answer: C

    Solution :

                       For isobaric process \[\frac{{{V}_{2}}}{{{V}_{1}}}=\frac{{{T}_{2}}}{{{T}_{1}}}\Rightarrow {{V}_{2}}=V\times \frac{274}{273}\]            Increase \[=\frac{274\ V}{273}-V=\frac{V}{273}\]


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