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A hypothetical atom has four allowed energy levels. As shown in the accompanying diagram, the emission spectrum of this atom will contain six transitions, labelled A - F.

Transitions A,D, and F occur at wavelengths of 731.5 nm, 497.9 nm, and 321.9 nm respectively. (WARNING -- The relative energies of the transitions may not be shown correctly in the diagram.)

1. What is the wavelength of light emitted in transition B?

2.What is the frequency of light emitted in transition C?

3.What is the energy of a photon emitted in transition E?

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