Q. Energy of electron in an orbit of $H$-atom is
A) Positive
B) Negative
C) Zero
D) Nothing can be said
Explanation
(b) $E_{n} = - \frac{13.6}{n^{2}}eV$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.