Question

Two ideal gases, each consisting of Nmonatomic molecules, are in thermal equilibrium with each other and equilibrium is maintained as the temperature is increased. A molecule of the first gas has mass mand a molecule of the second has mass 4m. The ratio of the internal energies E4m/Emis:
A) 1/4
B) 1/2
C) 1
D) 2
E) 4

Answer

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