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Lux | |
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State | |
Country | |
Capital | |
Population | 0 |
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.
Aosta | |
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State | Aosta Valley |
Country | Italy |
Capital | |
Population | 34631 |
Postcode | 11100 |
Aosta (UK: , US: , Italian: [aˈɔsta] (listen); French: Aoste [ɔst], formerly Aouste; Francoprovençal: Aoûta [aˈuta], Veulla [ˈvəla] or Ouhta [ˈuhta]; Latin: Augusta Praetoria Salassorum; Walser: Augschtal; Piedmontese: Osta) is the principal city of Aosta Valley, a bilingual region in the Italian Alps, 110 km (68 mi) north-northwest of Turin.
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