When does Total Internal Reflection occur?
Why is it called Total Internal Reflection?
Why do diamonds sparkle?
Uses of T.I.R
How do optic cables work?
How does T.I.R occur in 45 degree prisms?
How do you calculate the critical angle?
What happens when light enters a denser medium.
What happens when light enters a less dense medium.
What happens to the refracted and reflected ray as you get closer to the critical angle?