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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    Figure shows four, p-V diagram for the given sample of gas. In which case no exchange of heat occurs with the sample?

    A)  P                                           

    B)  Q

    C)  R                           

    D)  S

    Correct Answer: D

    Solution :

    For \[p-V\] diagrams \[P\] and \[Q\] pressure increases with increase in volume. This is possible when the temperature of the gas increases. Hence, exchange of heat takes place. For \[p-V\] diagrams, \[R\] and \[S\] pressure decreases with increase in volume but the slope of curve is larger for\[S\]. Therefore, it is for an adiabatic process for which no exchange of heat takes place.


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