question_answer

A gaseous mixture consists of 16 g of helium and 16 g of oxygen/The ratio\[\frac{{{C}_{p}}}{{{C}_{v}}}\] of the mixture is            [AIEEE 2005]

A)  1.59   

B)       1.62  

C)  1.4      

D)       1.54

Correct Answer: B

Solution :

[b] For the mixture of gases

For helium,

and

For oxygen,

and

For He,

For

Now,