Q- (a) What are the energies of the first three energy levels of an electron confined in a one-dimensional box of length 0.75 nm?
(b) How much energy must the electron lose to move from the n = 3 energy level to the n = 1 energy level?
(c) Suppose that an electron can move from the n = 3 level to the n = 1 level by emitting a photon of light. If energy is conserved, what must the photon's wavelength be?
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