10. Which is the correct statement
(a) For an isothermal change PV = constant
(b) In an isothermal process the change in internal energy must be equal to the work done
(c) For an adiabatic change P2/P1=(V2/V1)γ , where γ is the ratio of specific heats
(d) In an adiabatic process work done must be equal to the heat entering the system
Answer-a
(16)