46. The SI unit of luminous emittance is : A.Lux B.Candela C.Lumen D.Lumen second
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.
