(A): `C_(P)` is always greater than `C_(V)` in gases.
(R ): Work done at constant pressure is more than at constant volume.

Options

A. Both (A) and(R ) are true and (R ) is the correct explanation of (A)
B. Both (A) and (R ) are (R ) true and is not the correct explanation of (A)
C. (A) is true but (R ) is false
D. Both (A) and (R ) are false

Answer

A