MEDIUM
JEE Main
IMPORTANT
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In a mixture of gases, the average degree of freedom per molecule is 6. The RMS speed of the molecule of the gas is c. The velocity of sound in the gas is,

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Important Questions on Thermometry, Thermal Expansion and Kinetic Theory of Gases

EASY
JEE Main
IMPORTANT
Two gases are at absolute temperatures 300 K and 350 K, respectively. The ratio of average kinetic energies of their molecules is,
MEDIUM
JEE Main
IMPORTANT
The specific heat at constant pressure is greater than that of the same gas at constant volume because,
EASY
JEE Main
IMPORTANT
The average translational kinetic energy of O2 (molar mass 32) at a particular temperature is 0.048 eV. The average translational kinetic energy of N2 (molar mass 28) molecules in eV at the same temperature is,
MEDIUM
JEE Main
IMPORTANT
Two moles of argon are mixed with one mole of hydrogen, then CpCV for the mixture is nearly,
MEDIUM
JEE Main
IMPORTANT
A gas has volume V and pressure p. The total translational kinetic energy of all the molecules of the gas is,