Optics

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Across
  1. 2. light is emitted after exposed to radiation
  2. 3. emitting light by being heated
  3. 9. angle between rays
  4. 12. number of waves that pass
  5. 14. rays radio waves
  6. 17. go in different directions
  7. 18. light gathering device
  8. 19. a range of different colors
  9. 21. pictures of inside the body
  10. 24. tend to meet at a point
  11. 25. emission of light during chemical reaction
  12. 26. electrode magnetic energy
  13. 27. beyond violet
  14. 28. distance by point
  15. 29. having an outline that curves inward
Down
  1. 1. angle between ray and line
  2. 4. eyes clear protective layer
  3. 5. waves electromagnetic radiation
  4. 6. can't see through it
  5. 7. can't produce light
  6. 8. Emission of light of living things
  7. 10. ability of chemicals to give off light
  8. 11. electromagnetic wave
  9. 12. point the point where waves meet
  10. 13. can see clearly through
  11. 15. made by light ray
  12. 16. allowing light to pass through
  13. 18. radiating or reflecting light
  14. 20. form of electromagetic radiation
  15. 22. the highest point
  16. 23. wave changing direction
  17. 24. curved or rounded outward