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BCECE Engineering BCECE Engineering Solved Paper-2011

  • question_answer
    A vessel contains a mixture of one mole of oxygen and two moles of nitrogen at 300 K. The ratio of the average rotational KE per. oxygen molecule that per nitrogen molecule is

    A)  1 : 1

    B)  1 : 2

    C)  2 : 1

    D)  depends on the moments of inertia of the two molecules

    Correct Answer: D

    Solution :

    They have same number of degrees of freedom and according to law of equipardtion of energy, energy is equally distributed among its degrees of freedom.


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