ultraviolet examination


ultraviolet examination
   Ultraviolet radiation is invisible and occurs in the wavelengths just below the visible blue-violet end of the spectrum. The invisible rays react on some substances so that visible light is emitted, a phenomenon known as ultraviolet fluorescence. Thus, ultraviolet examination may be made visually or photographically by recording either the reflected ultraviolet or visible radiation.

Forensic science glossary. . 2012.

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