Q 11-11-019NEETJEE MainEasy
In which process is all the heat supplied to an ideal gas used to increase its internal energy?
Answer: (B) isochoric
At constant volume the gas does no work, so $Q = \Delta U$. (Isothermal: $\Delta U = 0$. Adiabatic: $Q = 0$. Isobaric: part of $Q$ does work.)
Solution by Sreeraj P, M.Sc Physics