Lux is the SI unit of
  • 1intensity of illumination
  • 2luminous efficiency
  • 3luminous flux
  • 4luminous intensity
Answer:- 1
Explanation:-

Solution:
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 m2.

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