question_answer

Equal volumes of two monoatomic gases, A and B, at same temperature and pressure are mixed. The ratio of specific heats \[(cp/cv)\] of the mixture will be                                                                [AIPMT (M) 2012]

A)  0.83   

B)       1.50

C)  3.3      

D)       1.67

Correct Answer: D

Solution :

For monoatomic gases,

Equal volumes of two monoatomic gases are mixed.

will remain the same.