To read the questions on this test, the lighting in the room is falling on the paper. The amount of lighting falling on the paper is called
A) Illumination.
B) Luminance.
C) Luminous flux.
D) Lux or lumens.

Question

Quizplus · Accepted Answer

Illumination is the measure of the amount of lighting falling on a surface. Luminance refers to the brightness of a surface itself, and luminous flux and lux/lumens are measures of the amount of light emitted from a source.

To Read the Questions on This Test, the Lighting in the Room