Q1096
The SI unit of luminous emittance is :
A.
Lux
AnswerB.
Candela
C.
Lumen
D.
Lumen second
Answer: Option A
Solution
Answer: Option A
Solution:
The lux (symbol: lx) is the SI unit of illuminance and luminous emittance. It is used in photometry as a measure of the intensity of light, with wavelengths weighted according to the luminosity function, a standardized model of human brightness perception.