Study Guide

Optics Topics

Reflection

Reflection is probably the simplest property of light for us to understand because we've had good...

Mirrors

Mirrors are odd creatures. We use them every day and we're never really surprised by what we see...

Refraction

Most of us have a pretty good idea of what reflection is, even before learning about it in...

Lenses

Ancient Egyptians, Babylonians, and Greeks, all had a sense of basic optics. That means we have...

Common Mistakes

1. Don't forget about the normal for refraction. It may be more intuitive to think about angles...

Test Your Knowledge

1. What is specular reflection?2. What is diffuse reflection? 3. What type of reflection makes...