Statement-1: The amount of work done in the isothermal expansion is greater than work done in the adiabatic system for same final volume.
Statement-2: In the adiabatic expansion of a gas temperature and pressure both decrease due to decrease in internal energy of the system.

Options

A. Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1
B. Statement-1 is true, statement-2 is true and statement-2 is NOT correct explanation for statement-1
C. Statement-1 is true, statement-2 is false
D. Statement-1 is false, Statement-2 is true

Answer

A