Lesson: Total Internal Reflection Physics • Second Year of Secondary School

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In this lesson, we will learn how to define total internal reflection (TIR) by describing rays produced by light rays incident at or past the critical angle for TIR.

Lesson Plan

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.