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Questions  

Ideal gas at pressure P undergoes free expansion from its initial volume of 1.01 litre to 10.1 litre. The final pressure of the gas is?

a
P(10)γ
b
P10γ
c
10 P
d
P10

detailed solution

Correct option is D

Free expansion, dW = 0 and dQ = 0⇒Temperature= Constant ⇒P1V1=P2V2⇒P2=P1.0110.1=P10

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