Lasers and Lights

123456789101112131415
Across
  1. 2. process of magnifying something
  2. 4. when something repeats
  3. 11. spectrum the range of wavelengths or frequencies over which electromagnetic radiation extends
  4. 13. lens a lens thinner in the middle
  5. 14. intersecting a system of lines
  6. 15. distance between successive crests of a wave
Down
  1. 1. exterior angles
  2. 3. angles same relative position at each intersection
  3. 5. lens a lens thicker in the middle
  4. 6. light electromagnetic radiation with longer wavelengths
  5. 7. light shorter than a visible light
  6. 8. the fact or phenomenon of light, radio waves, etc.
  7. 9. throwing back by a body or surface of light
  8. 10. an intense beam of coherent monochromatic light
  9. 12. a particle representing a quantum of light