Hydrogen can emit infrared, visible, and ultraviolet light. A light source that uses the emitted wavelengths from hydrogen shines on silver (work function = 4.73eV) and one of the photoelectrons produced has an energy of 7.367eV. What energy levels in hydrogen were involved in creating the photon that produced this photoelectron?  I'm confused by this problem. Can you explain it please?

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Hydrogen can emit infrared, visible, and ultraviolet light. A light source that uses the emitted wavelengths from hydrogen shines on silver (work function = 4.73eV) and one of the photoelectrons produced has an energy of 7.367eV. What energy levels in hydrogen were involved in creating the photon that produced this photoelectron? 

I'm confused by this problem. Can you explain it please?

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