A hydrogen atom is excited to the level and then emits photons until it reaches the level
PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation
Problem
A hydrogen atom is excited to the n=5 level and then emits photons until it reaches the n=2 level, after which no further emissions occur. How many distinct photon wavelengths can be observed during this relaxation process?
(a) 3
(b) 5
(c) 6
(d) 4