Lux is the SI unit of
...Lux is the SI unit of
intensity of illumination
luminous efficiency
luminous flux
luminous intensity
Correct answer is A
The SI unit of intensity of illumination (illuminance) is the lux. An illuminance of 1.0 lux is produced by 1.0 lumen of light shining on an area of 1.0 m^2.
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