Energy of an electron in nth Bohr orbit is given as

Options

A. `-(n^2 h^2)/(4pi^2 mZe^2)`
B. `-(2pi^2 Z^2 me^4)/(n^2 h^2)`
C. `-(2pi Ze^2)/(nh)`
D. `-(n^2 h^2)/(2pi^2 Z^2 me^4)`

Answer

B

Explanation

Formula of E of electrons `=(-2pi^2 z^2 me^4)/(n^2 h^2)`