MediumPhysicsfirst law of thermodynamics
+4 / -1
Assertion (A): Two cylinders contain same amount of ideal monatomic gas. Same heat given. Temperature rise in cylinder A (free piston) is T₀, then in B (fixed piston) is (5/3)T.

A
A true, R false
B
A false, R true
C
Both true and R explains A
D
Both true but R not explanation
Explanation
Q = nCVΔT (isochoric), Q = nCPΔT (isobaric) ⇒ ΔT ratio = CP/CV = 5/3.
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