Neet
Heat And Thermodynamics
RE-NEET 2026
MCQ+4 / -12026
An ideal gas is made of polyatomic molecules. Each of the molecules has three translational, three rotational and $f$ number of vibrational modes. If the ratio of heat capacities $C_P / C_V$ of the gas is $8 / 7$, then the value of $f$ is: