Refraction and the Ray Model of Light

1. Lesson 1 - Refraction at a Boundary
1. Boundary Behavior
2. Refraction and Sight
3. The Cause of Refraction
4. Optical Density and Light Speed
5. The Direction of Bending
6. If I Were an Archer Fish
2. Lesson 2 - The Mathematics of Refraction
1. The Angle of Refraction
2. Snell's Law
3. Ray Tracing and Problem-Solving
4. Determination of n Values
3. Lesson 3 - Total Internal Reflection
1. Boundary Behavior Revisited
2. Total Internal Reflection
3. The Critical Angle
4. Lesson 4 - Interesting Refraction Phenomena
1. Dispersion of Light by Prisms
2. Rainbow Formation
3. Mirages
5. Lesson 5 - Image Formation by Lenses
1. The Anatomy of a Lens
2. Refraction by Lenses
3. Image Formation Revisited
4. Converging Lenses - Ray Diagrams
5. Converging Lenses - Object-Image Relations
6. Diverging Lenses - Ray Diagrams
7. Diverging Lenses - Object-Image Relations
8. The Mathematics of Lenses
6. Lesson 6 - The Eye
1. The Anatomy of the Eye
2. Image Formation and Detection
3. The Wonder of Accommodation
4. Farsightedness and its Correction
5. Nearsightedness and its Correction