write one use of sodium vapour lamp in daily life experience
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Sodium-vapour lamp, electric discharge lamp using ionized sodium, used for street lighting and other illumination.
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Sodium vapour lamps are used as the street lamps.
• Sodium vapour lamp is a type of lamp where the gaseous sodium is used to produce light rays.
• The electricity flow excites the sodium atoms and those excited sodium atoms expells their excessive energy through the yellowish ligh rays.
• This is basically a type of gas discharge lamp which produces pale yellowish light rays for long time.
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