why is argon gas filled in electric bulbs??
Answers
Answer:
The heat from the tungsten filament generates light and the argon helps prevent the filament from decaying.
Simply having air in the bulb would not work as the filament would react with the oxygen in the air and burn out the tungsten. Because tungsten evaporates during the heating process, an inert gas like argon is needed to contain the tungsten and bounces the atoms back toward the filament to keep it from spreading and coating the inside of the bulb. Inert gases do not usually react with other elements and the argon gas increases the bulb’s lifespan.
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Explanation:
Did you know that incandescent light bulbs are filled with inert gases like argon? The heat from the tungsten filament generates light and the argon helps prevent the filament from decaying. Simply having air in the bulb would not work as the filament would react with the oxygen in the air and burn out the tungsten.