non metals is. used in fluorescent bulb to display advertisements
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Explanation:
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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Answer:
an electric bulb contain a thin wire called filament
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