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The Luminescence Of Black Light
Part 1 of Paper
....yes. 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 that it
makes an object appear to "glow in the dark."
There are several sources of ultra-violet light. These sources .... Part 2 of Paper
....es luminescence to occur.
There are many materials which exhibit fluorescent characteristics.
Many of which are even organic. Teeth, eyes, some portions of the skin, and
even blood exhibit fluorescent qualities. Naturally occurring minerals such as:
agate, calcite, chalcedony, curtisite, fluorite, gypsum, hackmanite, halite,
opal scheelite, and willemite, also have similar characteristics. These
materials can be used in industries.
The radiance of ultraviolet light is measured in units call.... |
| Number of words: 442 - Approximate pages: 2 |
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