Law #1 Light travels in a straight line it never curves.
Line #2 The angle of Incidence Equals Angels of Reflection.
Law #3 Inverse Square Line
Law #1 The light created by the phone's flashlight goes through the cardboard in a straight line.
Law #2 The light is reflected by the phone.
Law #3 The light gets sofer the further it is from the light source.
LIGHTING DIAGRAM
Behind The Scenes
