1. Physics 52 - Heat and Optics Dr. Joseph F. Becker Physics Department San Jose State University © 2003 J. F. Becker

2. Chapter 34 The Nature and Propagation of Light © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

3. Fig. 34-1 Spherical E-M wave fronts spreading out uniformly in all directions from a point source. © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

4. Fig.34-2 Wave fronts (blue) and rays (red). (a) Spherical wave fronts. (b) When wave fronts are planes the rays are parallel. © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

5. Fig. 34-3 A plane wave is in part reflected and in part refracted at the boundary between two media (air and glass here). © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

6. Fig. 34-4 Specular and diffuse reflection. © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics