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YouTubeInfoSphere
What Makes Fluorescent Lights Glow? #lifetips101
Fluorescent lamps produce light by passing an electric current through a small amount of mercury vapour inside a glass tube. This creates ultraviolet (UV) light, which is invisible to the human eye. The inside of the tube is coated with a fluorescent phosphor material. When the UV light strikes this coating, it absorbs the energy and re-emits ...
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