question_answer

1 mole of a gas with \[\gamma =7/5\] is mixed with 1 mole of a gas with \[\gamma =5/3\] , then the value of \[\gamma \] for the resulting mixture is                                                                             [AIEEE 2002]

A)  \[7/5\]               

B)       \[2/5\]

C)  \[24/16\]   

D)       \[12/7\]

Correct Answer: C

Solution :

  

[c] Using the relation,

, we get