A vessel contains a mixture of one mole of oxygen and two moles of nitrogen at $300 K$. The ratio of the average rotational kinetic energy per ${O_2}$ molecule to that per ${N_2}$ molecule is
  • A$1:1$
  • B$1:2$
  • C$2:1$
  • D
    Depends on the moments of inertia of the two molecules
IIT 1998, Medium
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