Optical Crossword puzzle

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Across
  1. 3. the bending or changing direction of a wave
  2. 6. a curved piece of a see through piece of material that refracts light
  3. 7. absorbing or reflecting all light
  4. 10. A ray of light emerging from two materials.
  5. 15. in a wave the amount of repeating motions.
  6. 17. An item that is curved ex: bowl or spoon.
  7. 18. Formed by a reflective ray.
  8. 20. a electromagnetic wave that has a wavelength of longer than 1mm
  9. 21. allowing all light through so clear enough to see clearly
  10. 22. a range of frequencies for the given type of radiation
  11. 24. electromagnetic waves with lengths of 750 billionths to 400 billionths of a meter
  12. 25. allowing some light through but not enough to see clearly
Down
  1. 1. electromagnetic waves that have a short wave length
  2. 2. Angle between a ray incident.
  3. 4. A point where two light rays meet.
  4. 5. The Height of a wave crest or depth.
  5. 8. electromagnet radiation that has shorter wave lengths but higher energy
  6. 9. electromagnetic radiation having high energy but short wavelengths.
  7. 11. The highest and tallest point to a wave.
  8. 12. two items that spread apart.
  9. 13. A transparent cover on top of the pupil.
  10. 14. electromagnetic radiation that has a longer wave length.
  11. 16. an item that is curved backwards ex: bottom of Bull or spoon.
  12. 19. two or more items coming together at one point.
  13. 23. a type of radio wave that has the shortest wave length