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0 votes
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in Physics by (65.1k points)

For a gas if ratio of specific heats at constant pressure and volume is γ, then value of degrees of freedom is 

(A) [2 / (γ – 1)] 

(B) [(25) / 2] (γ – 1) 

(C) [(3γ – 1) / (2γ – 1)] 

(D) (9/2) (γ – 1)

1 Answer

+1 vote
by (70.7k points)
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Best answer

The correct option (A) [2/(γ – 1)]  

Explanation:

as γ = 1 + (2/f) 

∴ γ – 1 = (2/f) 

∴ f = [2/(γ – 1)]

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