1. Fig. 33-11 Wave front at a time dt after passing thru a stationary plane © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

2. Fig. 33- 12 A radio station (or cell phone) radiates E-M waves into the hemisphere shown. © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

3. Table 33-1 Wavelengths of visible light 400-440 nm Violet 440-480 nm Blue 480-560 nm Green 560-590 nm Yellow 590-630 nm Orange 630-700 nm Red © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

4. Fig.33-15 The E-M spectrum. The frequencies (Hz) and wavelengths (mm) are shown. © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics

5. Review © 2003 J. F. Becker San Jose State University Physics 52 Heat and Optics