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24: Geometric Optics

Last updated

Nov 5, 2020
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- 23.3: Applications of EM Waves
- 24.1: Overview

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24.1: Overview
Rays, or beams of light, can travel in three ways: directly from a source, through a material, or indirectly by reflection.
24.2: Reflection, Refraction, and Dispersion
The law of reflection states that the angle of reflection equals the angle of incidence.
24.3: Lenses
Ray tracing is the technique of determining the paths light rays take; often thin lenses (the light ray bending only once) are assumed.
24.4: Mirrors
A mirror is a reflective surface that bounces off light, thus producing a real or virtual image.

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