Light bulbs are filled with which gas and why
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Light bulbs are filled with inert gases lyk nitrogen or argon becoz it slows down the evaporation of tungeston filament as compared in vaccuum
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Argon gas is used in fluorescent and incandescent light bulbs to stop the oxygen in the light bulbs from corroding the hot tungsten filament. The use of argon in light bulbs prevents the evaporation of the tungsten filaments, which results in increased light bulb life.
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