waves and optics crossword puzzle

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Across
  1. 2. detects light intensity
  2. 5. reflected light rays are parallel
  3. 7. fixes far-sighted vision
  4. 8. reflected light rays are scattered
  5. 9. incoming ray
  6. 10. fixes near-sighted vision
  7. 11. light that travels in straight lines
  8. 12. all colors combined
  9. 14. red+green
Down
  1. 1. color created by adding other colors
  2. 3. red+blue
  3. 4. detects colors
  4. 6. color created by absorbing other colors
  5. 8. spread apart
  6. 13. perpendicular to a surface