1. Fig. 34-21   P is the polarizing angle (or Brewster’s angle). © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

2. Fig. 34-22 Light striking the water-air interface (a) from the air side ; (b) from the water side. © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

3. Fig. 34-25 Blue sky and red sunset. Scattered light contains mostly blue light (sky) and the white sunlight that has lost some blue appears red (sunset). © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

4. Fig. 34-26 Huygens’ Principle: every point on a wave front may be considered a source of secondary wavelets. © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

5. Fig. 34-27 Reflection © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

6. Fig. 34-28 Refraction © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics