Lesson Plan: Total Internal Reflection Physics • Second Year of Secondary School
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to define total internal reflection (TIR) by describing rays produced by light rays incident at or past the critical angle for TIR.
Objectives
Students will be able to
- recognize that light incident on a media boundary can be totally internally reflected if the light propagates in a medium of greater refractive index than on the other side of the boundary,
- recognize that only light rays incident at angles greater than the critical angle are totally internally reflected.
Prerequisites
Students should already be familiar with
- refraction,
- reflection.
Exclusions
Students will not cover
- calculation of critical angle.
