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JEE Main & Advanced Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव Question Bank Kinetic molecular theory of gases and Molecular collisions

  • question_answer
    Internal energy and pressure of a gas per unit volume are related as       [CBSE PMT 1993]

    A)                 \[P=\frac{2}{3}E\]           

    B)                 \[P=\frac{3}{2}E\]

    C)                 \[P=\frac{1}{2}E\]           

    D)                 \[P=2E\]

    Correct Answer: A

    Solution :

               KE \[=\frac{3}{2}RT=\frac{3}{2}PV\]                                 \[\therefore P=\frac{2}{3}\frac{E}{V}\] for unit volume (V = 1) Þ \[P=\frac{2}{3}E\]


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