Asked by Amanda

How is the brightness of light affected by distance from the light source?

Answers

Answered by MathMate
The illuminance, or apparent brightness of a light, varies with the inverse of the square of the distance from the light source.
See for example:
http://hyperphysics.phy-astr.gsu.edu/HBASE/vision/isql.html
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions