One Mole of a monoatomic gas is mixed with 1 mole of a diatomic gas. The value of Y for the mixture is
Fir Monotomic Gas
Cv=3(R)/2
Cp=5(R)/2
For Diatomic Gas
Cv=5(R)/2
Cp=7(R)/2
Then after Mixture.
Total Cv=(3(R)/2+5(R)/2)/2
=2(R)
Total Cp=(5(R)/2+(7(R)/2)/2
=3(R)
Then Cp/Cv= 3R/2R=1.5