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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.
Soueix-Rogalle | |
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Soueix-Rogalle is a commune in the Ariège department in southwestern France.
Syzran (Russian: Сызрань, IPA: [ˈsɨzrənʲ]) is the third largest city in Samara Oblast, Russia,...
Waterville is the name of several places. In Russia Waterville Aquapark, a water park attached...
Jabalpur (English: , US also , Hindi: [dʒəbəlˈpʊɾ]; formerly known as Jubbulpore, the official...
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