[3.3] dΦ/dA
The luminous flux per unit area at a point on a surface.
Note: This need not be a physical surface; it may also be a mathematical plane. Also see illuminance and luminous exitance.
« Back to Definitions Index
[3.3] dΦ/dA
The luminous flux per unit area at a point on a surface.
Note: This need not be a physical surface; it may also be a mathematical plane. Also see illuminance and luminous exitance.
« Back to Definitions Index