Q. The radius of the first (lowest) orbit of the hydrogen atom is $a_{0}$. The radius of the second (next higher) orbit will be
A) $4a_{0}$
B) $6a_{0}$
C) $8a_{0}$
D) $10a_{0}$
Explanation
(a) $r_{n} \propto n^{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.