We’re being asked to determine transition corresponding to the emission of 177 and absorption 124 nm photon.
Recall that the energy of a photon (E) is given by:
h = Planck’s constant (6.626 × 10–34 J • s)
v = frequency (in s–1)
Also, recall that the frequency (v) and wavelength (λ) are related:
c = speed of light (3.0 × 108 m/s)
For this question consider the figure that shows an energy level diagram for a certain atom (not hydrogen). Several transitions are shown and are labeled by letters. Note: The diagram is not drawn to scale.
Which transition corresponds to the emission of a 177 nm photon?
Which transition corresponds to the absorption of a 124 nm photon?
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