Consider two ideal diatomic gases 
and 
at some temperature 
. Molecules of the gas 
are rigid, and have a mass 
. Molecules of the gas 
have an additional vibrational mode, and have a mass 
The ratio of the specific heats 
and 
of gas 
and 
, respectively is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
JEE Main 2020
Molar heat capacity of 
at constant volume 
Molar heat capacity of 
at constant volume 
Dividing both 
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