Kinetic Theory of Gases & Radiation

Absorption coefficient of totally blackbody is

The unit of the Stefan-Boltzmann's constant is

The sum of the absorptance, reflectance and transmittance of a body is

RMS velocity of a gas is proportional to

Molecules of an ideal gas behave like

Degrees of freedom of a monoatomic gas due to its rotational motion is

The Kirchhoff's law leads to the conclusion that the good radiators of thermal radiations are

The spectrum of black body radiation is a

A black body is at temperature of 500 K . It emits energy at rate which is proportional to

S.I. unit of emissive power is

What is the mean energy per molecule for a polyatomic gas with $n$ degrees of freedom? (N → total molecule)

Find the wrong statement(s) from the following:

Gases exert pressure on the walls of the container because the gas molecules

The translational kinetic energy of the molecules of a gas at absolute temperature (T) can be doubled by

For a gas at a particular temperature on an average, the quantity which remains same for all molecules is