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A vessel contains a mixture of one mole of oxygen and two moles of nitrogen at 300K. the ratio of the average rotational kinetic energy per molecule to that per molecule is
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Correct option is A
Kinetic energy per degree of freedom is 12KTAs diatomic gas posses two degree of freedom for rotational motion therefore rotational kinetic energy = 2.12KT=KTIn the problem both gases are diatomic and have same temperature. Therefore the average rotational kinetic energy will be equal to one.
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