The ground state energy of hydrogen atom is – 13.6 eV. What is the potential energy of the electron in this state

Q: The ground state energy of hydrogen atom is – 13.6 eV. What is the potential energy of the electron in this state

(a) 0 eV

(b) – 27.2 eV

(c) 1 eV

(d) 2 eV

Ans: (b)