(a) Suppose an unknown element has an absorption spectrum with lines corresponding to 2.5, 4.7, and 5.1...
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(b) If a 5.1-eV photon is absorbed by an atom of this substance, in which state was the atom before absorbing the photon? What will be the energies of the photons that can subsequently be emitted by this atom?
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a See the adjacent figure b Absorption of a 51eV photon represents a transit...View the full answer
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