Phsyics - light emissions

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7 Terms

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Incandescence

Light emitted from a material because of the high temperature of the material

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Fluorescence

Light that is emitted during exposure of the source to ultraviolet light

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Electric discharge

Materials form a vapour that an electric current passes through to release light

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Luminescence

The emission of light by a material that has not been heated

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Phosphorescence

Light that is emitted due to the source being exposed to ultraviolet light and still emits for some time after the absence of UV light

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Chemiluminescence

Light that is produced by a chemical reaction without a rise in temperature

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Bioluminescence

Light by a biochemical reaction in a living organism