JEE Main 2026 Physics question
A cylinder with adiabatic walls is closed at both ends and is divided into two compartments by a frictionless adiabatic piston. Ideal gas is filled in both (left and right) the compartments at same P, V, T. Heating is started from left side until pressure changes to 27P/8. If initial volume of each compartment was 9 litres then the final volume in right-hand side compartment is litres. (for this ideal gas /=1.5)
Answer: (B)
Solution
The right gas is compressed adiabatically, so P V^γ is constant:
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