Q.
The transition of an electron from $n_{2} = 5,6,\ldots\ldots$ to$\ n_{1} = 4$ gives rise to
A) Pfund series
B) Lyman series
C) Paschen series
D) Brackett series
Explanation
(d) Upto $n = 1$ it gives Lyman series
Upto $n = 2$ it gives Balmer series
Upto $n = 3$ it gives Paschen series
Upto $n = 4$ it gives Brackett series
Upto $n = 5$ it gives Pfund series
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.