An ideal gas expands isothermally from a volume V1 to V2 and then compressed to original volume V1 adiabatically…

Q: An ideal gas expands isothermally from a volume V₁ to V₂ and then compressed to original volume V₁ adiabatically. Initial pressure is P₁ and final pressure is P₃. The total work done is W. Then

(a) P₃ > P₁ , W > 0

(b) P₃ < P₁ , W < 0

(c) P₃ > P₁ , W < 0

(d) P₃ = P₁ , W = 0