Mirrors & Lenses Crossword Puzzle

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Across
  1. 2. where all parallel rays come together
  2. 4. of incidence from the normal to the incoming ray
  3. 5. a lens or mirror that that is bigger in the middle
  4. 6. what you are actually looking at
  5. 8. light rays that spread apart
  6. 9. a line drawn perpendicular to the surface of a mirror or lens
  7. 10. and optical device that works by reflection
  8. 11. the study of how light behaves
Down
  1. 1. where your eyes think something is
  2. 3. a lens or mirror that is bigger at the ends
  3. 5. light rays that come together
  4. 7. an optical device that works by reflection
  5. 10. A device that emits a beam of photons that travel in the same direction and phase, producing a beam of coherent light