MCQ
The value of $\gamma$ for a diatomic molecule $($vibrational mode$)$ is:
  • $\frac{9}{7}$
  • B
    $\frac{7}{9}$
  • C
    $\frac{7}{5}$
  • D
    $\frac{5}{7}$

Answer

Correct option: A.
$\frac{9}{7}$

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