Physics - Modern Physics Question with Solution | TestHub

The time period of the electron,$T=\frac{4{\epsilon }_0^2{n}^3{h}^3}{m{Z}^2{e}^4}$

$\therefore T\propto n^3$

$\therefore \frac{1}{\mathrm{f}\mathrm{r}\mathrm{e}\mathrm{q}\mathrm{u}\mathrm{e}\mathrm{n}\mathrm{c}\mathrm{y}\mathrm{ }\left(f\right)} \propto n^3$

or$f\propto n^{-3}$