Light waves and Ray!

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Across
  1. 3. - The number of colors in white light. (Easy)
  2. 4. of Reflection - The principle stating that the angle of incidence equals the angle of reflection. (Challenge)
  3. 6. - A phenomenon where waves spread out when passing through a narrow opening. (Intermediate)
  4. 8. - The property of light responsible for creating a rainbow. (Intermediate)
  5. 9. - The phenomenon where light bounces off a surface. (Easy)
  6. 10. - The type of lens that converges light rays. (Easy)
Down
  1. 1. - Optical device used in periscopes to redirect light through total internal reflection. (Challenge)
  2. 2. - The bending of light when it passes from one medium to another. (Intermediate)
  3. 5. - The overlapping of two waves that can cause constructive or destructive effects. (Challenge)
  4. 7. Angle - The angle of incidence above which total internal reflection occurs. (Intermediate)