Answer in complete sentences on a separate sheet of paper.

  1. What type of wave are electromagnetic waves best described as: transverse or longitudinal?
  2. Which electromagnetic wave has the:
    1. Shortest wavelength?
    2. Longest wavelength?
    3. Smallest frequency?
    4. Highest frequency?
    5. Smallest energy?
    6. Largest energy?
  3. Where can electromagnetic waves go that other waves cannot?
  4. Which wave has a higher speed: gamma rays or radio waves? Why?
  5. What is the source of all electromagnetic waves/light waves?
  6. What’s the difference between a radio wave and a sound wave?
  7. Where does light travel the slowest: water, glass, or diamond? What speed does it have through that material?
  8. If light passes through a polarizer, what happens to the light on the other side?
  9. If light approaches through two polarizers turned 90 degrees from each other, what happens?
  10. How are frequency and wavelength related: directly or indirectly?
  11. What does transparent mean?
  12. What does opaque mean?
  13. What would be the frequency of a light beam that has a wavelength of 500,000 m?
  14. What would be the frequency of a light beam that has a wavelength of 500,000 km?
  15. What evidence supports that light is a wave? What evidence supports that light is a particle?
  16. Which physicist measured the speed of light to be 299,920 km/s using a spinning mirror?
  17. What’s the difference between an umbra and a penumbra?
  18. How many meters does light travel in 20 seconds?
  19. How many kilometers does light travel in 20 seconds?
  20. How many meters does light travel in 15 minutes?
  21. What would be the wavelength of an electromagnetic wave that has a frequency of 40,000,000 Hz?
  22. Who first thought that light could be a wave?
  23. What are complimentary colors? What are primary colors?  What are secondary colors?
  24. What colors are useful for color subtraction?
  25. What is cyan light made of? What is magenta light made of?  What is yellow light made of?
  26. What color would you see if yellow light was directed at a blue piece of paper?
  27. What colors does a green notebook absorb?
  28. What is the complimentary color of red? Why?
  29. What color would you see if yellow light went through a magenta filter and bounced of a yellow notebook?
  30. What color would you see if red light went through a cyan filter?