The ratio of kinetic energy to the total energy of an electron in a Bohr orbit of the hydrogen atom is

Options

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

Answer

B