In diagrams ( 1 to 4), variation of volume with changing pressure is shown. A gas is taken along the

Question

In diagrams ( 1 to 4), variation of volume with changing pressure is shown. A gas is taken along the path $A B C D$. The change in internal energy of the gas will be\

Professor PC Thomas Classes · Answer

(d) : Zero, in all the cases because internal energy is state function.