JEE Main 20257 Apr, Evening shiftPhysicsMediumKinetic Theory of Gases52× since 2002
The helium and argon are put in the flask at the same room temperature (300 K). The ratio of average kinetic energies (per molecule) of helium and argon is : (Give : Molar mass of helium = 4 g/mol, Molar mass of argon = 40 g/mol)