Consider the three electronic transitions in a hydrogen atom shown here, labeled A, B, and C. 

(a) Three electromagnetic waves, all drawn on the same scale, are also shown. Each corresponds to one of the transitions. Which electromagnetic wave (i), (ii), or (iii), is associated with electronic transition C?

(b) Calculate the energy of the photon emitted for each transition.
(c) Calculate the wavelength of the photon emitted for each transition. Do any of these transitions lead to the emission of visible light? If so which one(s)?

Transcribed Image Text:

Energy X 1020 (J/atom) -218 A B C 11 :00 8 n = 4 n = -n=2 n = (i) (ii) (iii)