TS EAMCET 7 May 2018 Shift 1 Solved Paper

The expression for the specific heat at constant pressure,
cp=cv+R …… (I)
The specific heat at constant volume for polyatomic atomis cv=(3+f)R
Substitute the value in equation (I).
cp=(3+f)R+R
cp=(4+f)R
The ratio of

cp

cv

is,

cp

cv

=

4+f

3+f