General Knowledge - Physics - Discussion

Discussion Forum : Physics - Section 1 (Q.No. 25)
25.
Lux is the SI unit of
intensity of illumination
luminous efficiency
luminous flux
luminous intensity
Answer: Option
Explanation:
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.
Discussion:
5 comments Page 1 of 1.

Ogechi said:   8 years ago
What is the formulae for the intensity of illumination?

Jagga said:   8 years ago
Luminous efficiency SI unit is lumens/ watt.

Luminous flux SI unit is lumens.

Anil said:   8 years ago
Good, thanks @Satish.

Satish said:   9 years ago
But in SI system, Candela is the unit of luminous intensity.

Binu said:   1 decade ago
Intensity of illumination is also called as luminous intensity which is option D.

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