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CBSE Class 9 Answered

A FLUORESCENT TUBE
Asked by vk1994 | 15 Aug, 2008, 12:34: PM
Expert Answer

Ffluorescent tube is a  uses electricity to excite mercury vapor. The excited mercury atoms produce short-wave ultraviolet light that then causes a phosphor to fluoresce, producing visible light.

Answered by | 15 Aug, 2008, 05:03: PM
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