If γ be the ratio of specific heats of a perfect gas, the

If γ be the ratio of specific heats of a perfect gas, the number of degrees of freedom of a molecule of the gas is

We know that ratio of specific heats,

γ = 1 +	2	or n =	2
	n		γ - 1

[where n = Degree of freedom]

25	(γ - 1)
2

9	(γ - 1)
2