The ratio of momentum of the photons of the 1^st and 2^nd line of Balmer series of Hydrogen atoms is α / β. The possible values of α and β are:-

The ratio of momentum of the photons of the $\displaystyle 1^{\text {st }}$ and $\displaystyle 2^{\text {nd }}$ line of Balmer series of Hydrogen atoms is $\displaystyle \alpha / \beta$. The possible values of $\displaystyle \alpha$ and $\displaystyle \beta$ are:-