MCQ
Which is the correct statement
- ✓For an isothermal change $P V=$ constant
- BIn an isothermal process the change in internal energy must be equal to the work done
- CFor an adiabatic change $\frac{P_2}{P_1}=\left(\frac{V_2}{V_1}\right)^\gamma$, where $\gamma$ is the ratio of specific heats
- DIn an adiabatic process work done must be equal to the heat entering the system
