The most common fluorescent lightbulb converts ultraviolet light from mercury atoms to white light. If an ultraviolet
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The most common fluorescent lightbulb converts ultraviolet light from mercury atoms to white light. If an ultraviolet photon of wavelength 185 nm is emitted by a mercury atom and absorbed by the phosphor, what is the maximum number of red 655-nm photons that the phosphor can emit?
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