Some energy levels of a molecule are shown in the figure.
Question:

Some energy levels of a molecule are shown in the figure. The ratio of the wavelengths $\mathrm{r}=\lambda_{1} / \lambda_{2}$, is given by

  1. (A) $r=\frac{3}{4}$

  2. $r=\frac{1}{3}$

  3. $\mathrm{r}=\frac{4}{3}$

  4. $r=\frac{2}{3}$


Correct Option: , 2

Solution:

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