Geometric Optics Intuition with Mirrors and Lenses Concave Convex Diverging Converging | Doc Physics

This video has it all. Seriously, all of it. But no math, and no ray tracing. But maybe you just want to understand. Who can blame you? Just look at the light in that thumbnail bending away from the normal to the surface as it exits the plastic. All of geometric optics with lenses stems from that simple effect.

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