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General Knowledge · Q26

Practice

Competitive Exams · General Knowledge · question 26

Q26

Lux is the SI unit of

A.
intensity of illumination
Answer
B.
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.