Question

The angular momentum of an electron in hydrogen atom is h/π The kinetic energy of the electron is

(A) 13.6 eV

(B) 3.4 eV

(C) 1.51 eV

(D) 0.85 eV

Answer 1

Correct option (B) 3.4 eV

Explanation:

Angular momentum of an electron in hydrogen =h/π

The kinetic energy of the electron is given by