Science Fair Project Encyclopedia
Illuminance
Illuminance is the total luminous flux incident per unit area. It refers to the amount of incident light.
Note that the expression for the amount of light "reflected" from a surface is luminance.
In SI derived units, it is measured in lux (lx) or candela steradian / metre squared
SI light units
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


