Question

1 mol of gas with γ = 7/5 is mixed with 1mol of gas with γ = 5/3 , then the value of γ for the resulting mixture is [AIEEE 2002] ​

Answer 1

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Answer 2

Explanation:-

Using the relation ,

n₁ + n₂/γ-1 = n₁ /γ₁ - 1 +n₂/γ₂-1

⟹ 1+1 /γ-1 = 1/(5/3-1) + 1/(7/5-1)

or, 2/γ-1 = 3/2+5/2=4

⟹γ = 3/2

multiply by (8) in numerater and denomenator .

= 3×8/2×8= 24/16 Answer