A container with insulating walls is divided into two equal parts by partition fitted with a valve . one part is filled with an an ideal gas at pressure p and temprature T , whereas the other part is completely evacuated .if the valve is suddenly opened , the pressure and temprature of the gas will be [AIEEE 2011]
(a) p/2 , T
(b) p/2 ,T/2
(c) p, T
(d) p , T/2
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Answered by
4
Answer:
P1V1 = P2V2
P2 = P1V1 / V2
= P(V/2)/V
= P/2
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Answered by
4
Explanation:- Internal energy of the gas remains constant , hence, T₂ = T
using at constant temprature , p₁ v₁ = p₂v₂
half volume will be no more
∵valve is opened in other part
∴ p₂ = p/2 .
Hence, option (a) is correct
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