Low-pressure sodium-vapor lamps emit line spectra with well -defined wavelengths, but high-pressure sodium-vapor lamps emit light whose lines are more spread out. Relate this to the continuous smear of wavelengths emitted by solids.
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Low-pressure sodium-vapor lamps emit line spectra with well -defined wavelengths, but high-pressure sodium-vapor lamps emit light whose lines are more spread out. Relate this to the continuous smear of wavelengths emitted by solids.
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