If `.R_(H).` is the Rydberg constant, then the energy of an electron in the ground state of hydrogen atom is

Options

A. `(R_H C)/(h)`
B. `(1)/(R_H Ch)`
C. `(hC)/(R_H)`
D. `-R_H hC`

Answer

A, B, C

Explanation

`E_n = - hCR_(oo) //n^2`