1. A system goes from A to B via two processes I and II as shown in figure. If

ΔU1 and ΔU2 are the changes in internal energies in the processes I and II respectively, then (a) ΔUII  > ΔUI  (b) ΔU1 < ΔU2 (c) ΔU1 = ΔU2 (d)  Relation between ΔUI  and ΔUII can not be determined Ans. (c) …