29. Following figure shows on adiabatic cylindrical container of volume V0 divided by an adiabatic smooth piston (area of cross-section = A) in two equal parts. An ideal gas
(Cp/Cv=γ) is at pressure P1 and temperature T1 in left part and gas at pressure P2 and temperature T2 in right part. The piston is slowly displaced and released at a position where it can stay in equilibrium. The final pressure of the two parts will be (Suppose x = displacement of the piston)
(a) P2 (b) P1
(c) [P1(V0/2)γ] / [(V0/2)+Ax]γ (d) [P2(V0/2)γ] / [(V0/2)+Ax]γ
Answer-c
(61)