Answer: B. illuminance of a surface.
Step-by-step explanation:
A. Luminous flux is the quantity of the energy of the light emitted per second in all directions.
B. Illuminance of a surface describes the quantity of light emitted by a light source or received at a surface.
C. Incandescence is The phenomenon of light emission by a body as a result of high temperature.
D. luminous intensity is the quantity of visible light that a point source radiates in a given direction.