Write one use of sodium vapour lamp in daily life experience
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Outdoor lighting, Security lighting and Long tunnel lighting.
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The use of sodium vapour lamp is producing visible light rays mainly in the street lamps.
- Sodium vapour lamp is a lamp where the chemical energy is converted into light energy.
- The electricity given the sodium vapour, transforms the stable sodium atoms into excited sodium atoms.
- The excited sodium atoms expell the excessive energy to become stable atoms. This expelled energy is the yellow light rays produced by the sodium lamps.
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