light by alina feb 21, 2019

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Across
  1. 3. what color did green light and red light produced?
  2. 6. smaller lines of lights
  3. 12. what is the form of light?
  4. 13. form of energy that released from a luminous object
  5. 14. what color did red light and blue light produced?
  6. 15. the last name of the dutch physicist that put forward wave theory
  7. 17. what is the transparent outer surface from eye
  8. 18. a classification of non luminous object
  9. 19. what color did yellow light and magenta light produced?
Down
  1. 1. what is the light-sensitive layer of eye?
  2. 2. the appearance of an object in a smooth shiny surface
  3. 4. objects that emit lights are said to be?...
  4. 5. what color did red light, blue light, and green light produced?
  5. 7. range of colors
  6. 8. non luminous body in the sky that reflects sunray on the night
  7. 9. what's the name of the white part of the eye
  8. 10. the last name of french physicist who made instrument to measure the speed of light for the first time
  9. 11. a region without light that formed behind an opaque object
  10. 16. the primary color is red, blue, and...
  11. 17. what color did blue light and green light produced?