6B10.15 • Luminosity: Inverse Square Model

Location: Cabinet 5

Photo of the Demonstration at the University of Texas at Austin.

Instructions / Notes:

• A stack of three squares that show the area of light projected at 1x, 2x and 3x the distance from a light source.
• A flashlight moved back from a wall in 1 meter increments can be used to reinforce this demo model .

Last updated on June 8, 2026