HW#8: pg. 77 Rev 4 – 6; CST 4 – 6
Rev 4 – 6
4. Why is light referred to as an electromagnetic wave?
5. What effect does a positive charge have on a nearby negatively charged particle? What effect does a positive charge have on a nearby positively charged particle?
6. What's so special about c?
CST 4 – 6
4. According to Figure 3.8 ("Electromagnetic Spectrum"), the wavelength of green light is about the size of (a) an atom; (b) a bacterium; (c) a fingernail; (d) a skyscraper.
5. An X-ray telescope located in Antarctica would not work well because of (a) the extreme cold; (b) the ozone hole; (c) continuous daylight; (d) Earth's atmosphere.
6. In Figure 3.10 ("Multiple Blackbody Curves"), an object at 1000 K emits mostly (a) infrared light; (b) red light; (c) green light; (d) blue light.