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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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| Population | 159798 |
A ruse is a deception, an action or plan which is intended to deceive someone, for example a ruse of war.
Middletown Township is the name of several townships in the United States:
Calgary ( (listen)) is a city in the western Canadian province of Alberta. It is situated at the...
Tuscaloosa ( TUS-kə-LOO-sə) is a city in and the seat of Tuscaloosa County in west central...
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