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The Luminescence Of Black Light
Beginning of essay
Black Light. What is it? It is a portion of the Ultra-Violet Spectrum
that is invisible to our eyes. We can not distinguish it. However, when this
radiation impinges on certain materials visible light is emitted and this is
known as "fluorescence." Fluorescence is visible to the human eye, in ....
Middle of essay
....se
materials can be used in industries.
The radiance of ultraviolet light is measured in units called
"Angstrom." The intensity of ultraviolet fluorescence is the greatest between
the 5000 and 6000 range. This being the range between the green and yellow hues.
Ultra violet light is not readily visible. It is not visible because
certain materials reflect it. Ultra-violet light is made visible due to the
fact that it causes a reaction at the atomic level. When it strikes the atom,
some of t.... |
| Number of words: 442 |
Approximate pages: 2 |
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