1. Laws
    1. Angle of reflection = angle of incidence
      1. r = i
    2. Same plane
      1. incident ray
      2. normal
      3. reflected ray
  2. Image
    1. Real
      1. actual intersection
        1. light rays
      2. Inverted
      3. Can be formed on screen
    2. Virtual
      1. Apparent intersection
        1. light rays
      2. erect
      3. cannot be formed on screen
  3. Mirrors
    1. terms
      1. Pole of mirror
        1. P
      2. Center of curvature
        1. C
      3. Radius of curvature
        1. CP
          1. CP = 2FP
      4. focus
        1. F
      5. focal length
        1. FP
          1. CP = 2FP
  4. Types of mirrors
    1. Convex
      1. Uses
        1. Headlamps
        2. flashlights
        3. Shaving mirrors
    2. Concave
      1. Rules
        1. Rays parallel to principal axis are reflected back through focus
        2. Rays passing through focus are reflected to principal axis
        3. Rays of light from Center of Curvature are reflected back along own path
      2. Uses
        1. buses
        2. shops
        3. junctions
  5. Diagrams
    1. Chapter 1