Light Crossword

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Across
  1. 2. a mirror that curves outward
  2. 4. the top ray in ray tracing
  3. 6. subtractive colors: yellow, cyan, and ___
  4. 8. n is always equal to or greater than
  5. 10. h '___ constant'
  6. 13. the longest type of EM wave
  7. 14. an image produced upsidown
  8. 17. light being re-emitted back at the same frequency
  9. 18. 'n' index of ___
  10. 20. the enlargement or shrinking of an image
  11. 21. the highest frequency EM wave
  12. 23. the bottom ray in ray tracing
Down
  1. 1. total shadow
  2. 2. a mirror that curves inward
  3. 3. the type of wave light is
  4. 5. partial shadow
  5. 7. 'f' ___ point
  6. 9. the color of light when all light colors are combined
  7. 10. the energy of light
  8. 11. unit of energy
  9. 12. additive colors: blue, red, and ___
  10. 15. ___ principle of least time
  11. 16. a material that some light passes through
  12. 19. a material that no light passes through
  13. 22. the color when all light is absorbed