Science glossary film: Fluorescent

Fluorescent

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A fluorescent substance is one that absorbs light at one wavelength and reemits the energy as light at another wavelength, usually longer, a phenomenon called fluorescence.

A fluorescent substance is one that absorbs light at one wavelength and reemits the energy as light at another wavelength. The effect is particularly dramatic when ultraviolet light, invisible to the naked eye, illuminates materials that reemit in the visual range.

The effect is particularly dramatic when ultraviolet light, invisible to the naked eye, illuminates materials that reemit in the visual range.

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