Sahasra's Light Crossword

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Across
  1. 2. _____ the number of waves passing by the sec/1
  2. 4. ______ completely clear
  3. 8. _____ frequency has low energy.
  4. 11. ______ when is light bounced back.
  5. 13. _______ Red has this kind of wavelength
  6. 14. ____ This color has the longest wavelength.
  7. 15. _________ a group of parallel rays.
  8. 16. ___ is a form of energy.
  9. 17. ______ frequency has high energy.
Down
  1. 1. _______ not see through
  2. 3. _________ the highest point on a wave.
  3. 4. ______ partly see through
  4. 5. ____ all colors are absorbed in this
  5. 6. _______ the distance between two consecutive
  6. 7. _____ the lowest point on a light wave.
  7. 9. _____ and black are not colors on the spectrum
  8. 10. ______ object that is used to refract white light.
  9. 12. ____ are waves of energy.