Lux | |
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| State | |
Country | |
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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.
Ambala | |
|---|---|
| State | Haryana |
Country | India |
| Capital | |
| Population | 196000 |
| Postcode | 134002 |
Ambala (),
is a city and a municipal corporation in Ambala district in the state of Haryana, India, located on the border with the Indian state of Punjab and in proximity to both states capital Chandigarh. Politically, Ambala has two sub-areas: Ambala Cantonment (also known as Ambala Cantt) and Ambala City, eight kilometres apart, therefore it is also known as "Twin City". It has a large Indian Army and Indian Air Force presence within its cantonment area.
Ambala separates the Ganges river network from the Indus river network and is surrounded by two rivers – Ghaggar and Tangri – to the north and to the south.
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