Light and Optics:

Lesson 27.1 - The Law of Reflection

Lesson 27.2 - Introduction to Ray Diagrams

Lesson 27.3 - Spherical Mirrors and the Mirror Equation

Lesson 27.4 - The Refraction of Light

Lesson 27.5 - Snell's Law and the Index of Refraction Practice Problems

Lesson 27.6 - Total Internal Reflection and the Critical Angle

Lesson 27.7 - The Thin Lens Equation
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