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PhysicsJEE Main 6 Apr 2026, Shift 2·Q5·MCQ·Easy–moderate

Thermodynamics · Thermodynamic processes

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 PP, VV, TT. Heating is started from left side until pressure changes to 27P8\dfrac{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 CP/CV=1.5C_P/C_V = 1.5)
  1. (1)3
  2. (2)4
  3. (3)14
  4. (4)9

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