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Lux | |
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State | |
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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.
Beirut | |
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State | Beirut Governorate |
Country | Lebanon |
Capital | |
Population | 1252000 |
Beirut ( bay-ROOT; Arabic: بيروت, romanized: Bayrūt; French: Beyrouth, pronounced [bɛʁut]) is the capital and largest city of Lebanon. As of 2007 it had an estimated population of slightly more than 1 million to 2.2 million as part of Greater Beirut, which makes it the third-largest city in the Levant region and the fifteenth-largest in the Arab world. On a peninsula at the midpoint of Lebanon's Mediterranean coast, Beirut is an important regional seaport.
It is one of the oldest cities in the world, having been inhabited for more than 5,000 years. The first historical mention of Beirut is found in the Amarna letters from the New Kingdom of Egypt, which date to the 15th century BC.
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