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The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watt per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception.
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Camarines Norte (Central Bikol: Amihanan na Camarines; Tagalog: Hilagang Camarines) is a province in the Philippines located in the Bicol Region in Luzon. Its capital is Daet. The province borders Quezon to the west, Camarines Sur to the south, and the Philippine Sea to the north.
Filadelfia (Spanish pronunciation: [fi.laˈðel.fja]) is the capital of Boquerón Department in the...
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Brixen (German pronunciation: [ˈbrɪksn̩]; Italian: Bressanone [bressaˈnoːne]; Ladin: Porsenù or...