Learn all about reflection and refraction, including how lenses and mirrors work! #reflection #refraction #refraction_of_light #principleofleasttime #lifeguardproblem #mirrors #planarmirror #concavemirror #convexmirror #snellslaw #totalinternalreflection #lenses #convexlens #concavelens
0:00 - Introduction
0:40 - The principle of least time
3:14 - Reflection
5:36 - Mirrors
11:31 - Refraction
16:54 - Lenses
