In the
The radii of the first four orbits are 0.53, 2.12, 4.76, and 8.46 Å, respectively, as depicted below.
(a) If an electron makes a transition from the ni = 4 level to a lower-energy level, nf = 3, 2, or 1, which transition would
produce a photon with the shortest wavelength?
(b) What are the energy and wavelength of such a photon, and in which region of the
(c) The image on the right shows the output of a detector that measures the intensity of light emitted from a sample of hydrogen atoms
that have been excited so that each atom begins with an electron in the n = 4 state. What is the final state, nf, of the transition being
detected?
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