Physics - Modern Physics Question with Solution | TestHub

If$r_n$is the radius of$n^{\mathrm{t}\mathrm{h}}$orbit of hydrogen atom, then the relative change in the radius, when an electron jumps from$n^{\mathrm{t}\mathrm{h}}\mathrm{ }$orbit to${\left(n-1\right)}^{\mathrm{t}\mathrm{h}}$orbit is$\left(n\gg 1\right)$