Metal contacts called electrodes, connected to a high-voltage power supply.
An arc lamp is a bit like a small bolt of lightning happening under very controlledįilled with a gas under either very low or very high pressure Like neon lamps, xenon lamps are examples ofĪrc lamps. Photo: Attaching a xenon flash lamp to a float marker. Fluorescent lamps are very different: they zap electricity through a gas to make invisible ultraviolet light, which gets converted into light we can see (visible light) when it passes through the white inner coating of the lamp's glass tube, making it glow brightly (or fluoresce). Incandescent lamps (our traditional household lights) make light by passing electricity through a thin metal filament (wire), so it gets really hot and burns brightly. What are the different kinds of xenon lamps?Īll lamps make light, but they don't all work the same way.
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