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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.
Sargodha (Punjabi and Urdu: سرگودھا) is a city and capital of Sargodha Division, located in...
Žilina (Slovak pronunciation: [ˈʒilina]; Hungarian: Zsolna, [ʒolnɒ]; German: Sillein, [ziˈlaɪ̯n]...
Pamplona (Spanish: [pamˈplona]; French: Pampelune, Basque: Iruña; IPA: [iɾuɲa] or Iruñea; IPA:...