1. PROPAGATION OF LIGHT
1.1 Light propagates rectilinearly
1.2 Shadows
2. MIRRORS
2.1 Reflection in a plane mirror
2.2 Images in a plane mirror
2.3 Reflection in a concave mirror
2.4 Construction of images for a concave mirror
2.5 Representation of a point by a concave mirror
2.6 Reflection in a convex mirror
2.7 Construction of images for a convex mirror
2.8 Representation of a point by a convex mirror
3. REFRACTION
3.1 Refraction in a plane-parallel plate
3.2 Refraction coefficient of glass
3.3 Refraction at the transition from air to water
3.4 Angle of incidence and angle of refraction
3.4.1 Index of refraction of solid matter