Lights and Lazers

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Across
  1. 3. A device that emits light
  2. 5. The throwing back by a surface of light, heat, or sound without absorbing it.
  3. 6. The process of magnifying something
  4. 8. Two exterior angles on opposite sides of a transversal which lie on different parallel lines
  5. 9. A type of light that is invisible to us
  6. 10. The rate at which something occurs over a period of time
  7. 13. lens A lens that has an inward curve in the middle
  8. 14. angles The angles that occupy the same position at each intersection where a straight line crosses two others
  9. 15. The distance between successive crests of a wave
Down
  1. 1. The range wavelengths or frequencies over which electromagnetic radiation Extends
  2. 2. A form of radiation which is not visible to us
  3. 4. A particle representing a quantum of light or other electromagnetic radiation.
  4. 7. The fact of light being deflected in passing through a surface
  5. 11. Intersecting a system of lines
  6. 12. lens A clear optical device used to converge or diverge transmitted light and form images