Q. An electron of an atom transits from $\ n$$_{1}$ to $\ n$$_{2}$. In which of the following maximum frequency of photon will be emitted?
A) $n$$_{1}$=1 to $\ n$$_{2}$=2
B) $n$$_{1}$=2 to $\ n$$_{2}$=1
C) $n$$_{1}$=2 to $\ n$$_{2}$=6
D) $n$$_{1}$=6 to $\ n$$_{2}$=2
Explanation
(b) As $\ \ \ \ \ \ \ E_{1} > \ E_{2}$
$\therefore\ \ \ \ \ \ \ \ v_{1} > \ v_{2}$
$ie,$ photon oh higher frequency will be emitted if transition takes place from $n$=2 to $n$=1.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.