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1.presence of argon prolongs the life of......
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Presence of argon prolongs the life of Filament
Explanation:
- Argon and Krypton are well known. Deprived of the gas to calm the filament, atoms of the filament will boil away reducing the life of the bulb. This still occurs but at a minimal rate.
- If we see in an old bulb we will be able to notice that the inside of the glass has developed a grey surface of tungsten metal.
- The 3000 watt bulbs used in spot lights come with sand at the bottom of the bulb.
- When the inside gets coated the sand can be used to clean off the tungsten. That keeps the glass clean to maintain the brightness.
Learn more about argon
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