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illuminance |
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illuminance Quotient of the luminous flux, F, incident on an element of surface divided by the area, A, of that element of surface. Symbol: E. Thus E = F/A The units are in lux or footcandles. Syn. illumination. See inverse square law of illumination; photometer.How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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