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MHT CET 2025 Physics question

PhysicsThermodynamicsMHT CET 2025

Three samples X, Y, and Z of same gas have equal volumes and temperatures. The volume of each sample is doubled, the process being isothermal for X, adiabatic for Y and isobaric for Z. If the final pressures are equal for the three samples, the ratio of the initial pressures is (r = )

Answer: (B)

Solution

Let the common final pressure be and initial volume , final volume . Isothermal (X): . Adiabatic (Y): $=⇒

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Question ID VK-100667