According to the Bohr theory of Hydrogen atom, the speed of the electron, its energy and the radius of its orbit varies with the principal quantum number n, respectively, as

Options

A. `1/n ,n^2 ,1/(n^2)`
B. `n, (1)/(n^2),n^2`
C. `n,(1)/(n^2),(1)/(n^2)`
D. `(1)/(n),(1)/(n^2),n^2`

Answer

D

Explanation

`(1)/(n),(1)/(n^2),n^2`