Q26
Lux is the SI unit of
A.
intensity of illumination
AnswerB.
luminous efficiency
C.
luminous flux
D.
luminous intensity
Answer: Option A
Solution
Answer: Option A
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.