Physics, asked by RAMGOPAL, 1 year ago

Why is mercury necessary for fluorescent lamps?

Answers

Answered by Anonymous

1

A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor, which produces short-wave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow.

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