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) $2\ eV$
Explanation
(b) P.E. $= 2 \times Total\ energy = 2 \times ( - 13.6) = - 27.2eV$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.