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For a diatomic gas: Let \({\gamma }_{1}=\frac{{C}_{p}}{{C}_{v}}\) for a rigid molecule (without vibrational modes). Let …

Q1

For a diatomic gas:

  • Let \({\gamma }_{1}=\frac{{C}_{p}}{{C}_{v}}\) for a rigid molecule (without vibrational modes).
  • Let \({\gamma }_{2}=\frac{{C}_{p}}{{C}_{v}}\)​​ for a diatomic molecule with vibrational modes included.

Determine the relationship between \({\gamma }_{1}\)​ and \({\gamma }_{2}\)​.

(Shift II Memory Based)​

a

\({\gamma }_{2}<{\gamma }_{1}\)​

b

\({\gamma }_{2}>{\gamma }_{1}\)​

c

\({\gamma }_{2}={\gamma }_{1}\)​

d

\({\gamma }_{2}=2{\gamma }_{1}\)​

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