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candela |
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candela /can·dela/ (cd) (kan-del´ah) the base SI unit of luminous intensity.
candela. See candle. candela the SI unit of luminous intensity. Abbreviated cd.
candela The candela is the luminous intensity in a given direction of a source emitting monochromatic radiation of frequency 540 ✕ 1012 Hz and the radiant intensity of which in that direction is 1/683 watt per steradian. The candela so defined is the base unit applying to photopic quantities. Symbol: cd. 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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