The measure of light falling on a surface as perceived by the eye, which is presented in luminous flux (a photometric quantity) per unit area. It is the complete luminous flux incident on a surface per unit area.
Also Known As
- Illumination
The measure of light falling on a surface as perceived by the eye, which is presented in luminous flux (a photometric quantity) per unit area. It is the complete luminous flux incident on a surface per unit area.
