MHT CET 2026 Physics question
Two cylinders A and B fitted with pistons contain equal amount of an ideal diatomic gas at 303 K. The piston of cylinder A is free to move and that of cylinder B is held fixed. The same amount of heat is given to the gas in each cylinder. If the rise in temperature of the gas in cylinder B is 63 K then the rise in temperature of the gas in A is
Answer: (C)
Solution
Cylinder B has a fixed piston, so heating is at constant volume: with for a diatomic gas. Cylinder A has a free piston, so heating is at constant pressure: with . Since and are equal, $Δ
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