A helium, molecule is two times heavier than a hydrogen molecule at 298 K

A helium, molecule is two times heavier than a hydrogen molecule at 298 K. The average kinetic energy of a helium molecule is

(a) 2 times that of hydrogen molecule
(b) half that of hydrogen molecule
(c) 4 times that of hydrogen molecule
(d) same as that of hydrogen molecule

same as that of hydrogen molecule

Average kinetic energy does not depend on nature of gas.

KA2000

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