Discussion Forum

Some energy levels of molecule are shown in the figure. The ratio of the wavelengths r= λ₁/λ₂ is given by 

Answer:

Explanation:

We have   $\lambda =\frac{hc}{\triangle E}$

        So ratio of wavelengths

$\frac{\lambda_{1}}{\lambda_{2}}=\frac{hc/\triangle E_{1}}{hc/\triangle E_{2}}=\frac{\triangle E_{2}}{\triangle E_{1}}= \frac{(\frac{4}{3}E-E)}{2E-E}=\frac{1}{3}$