For a gas if ratio of specific heats at constant pressure and volume is Y then value of degrees of freedom is

For a gas if ratio of specific heats at constant pressure and volume i

1.	For a gas if ratio of specific heats at constant pressure and volume is Y then value of degrees of freedom is
Answer» `(3gamma-1)/(2gamma-1)` `(2)/(gamma-1)` `9/2 (gamma-1)` `(25)/2 (gamma-1)` ANSWER :B