RAJASTHAN PMT Rajasthan - PMT Solved Paper-2000

  • question_answer
    Relation between pressure (P) and energy (E) for a unit volume of gas :

    A)  \[E=\frac{3}{2}p\]          

    B)         \[E=\frac{2}{3}p\]

    C)  \[E=\frac{p}{3}\]            

    D)         \[E=3p\]

    Correct Answer: A

    Solution :

    According to gas equation\[PV-RT\] Kinetic energy of gas \[e=\frac{3}{2}RT\] \[\therefore \]\[PV=\frac{2}{3}E\] \[V=1\] \[\therefore \]\[p=\frac{2}{3}\Rightarrow \,E=\frac{3}{2}p\]


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