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