question_answer

An ideal gas has molecules with 5 degrees of freedom. The ratio of specific heats at constant pressure \[({{C}_{P}})\] and at constant volume \[({{C}_{V}})\]is                                                                       [JEE Online 08-04-2017]

A) \[\frac{7}{5}\]  

B)  6

C) \[\frac{7}{2}\]              

D)      \[\frac{5}{2}\]