Fig. 365.—Parabolic mirror.
Important Topics
1. Reflection: regular, diffused; plane mirrors; laws of reflection.
2. Formation and location of images by plane mirrors. Wave and ray diagrams.
3. Multiple reflection, illusions.
4. Curved mirrors, uses; concave, convex, parabolic.
Exercises
1. Distinguish between regular and diffused reflection. By means of which do we see non-luminous bodies?
2. Could a perfect reflecting surface be seen? Explain.