Dispersion of light

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Across
  1. 2. When all colors of light are combined, they form _______ light.
  2. 7. A line that is perpendicular to the surface at the point where light enters a medium is called the _______.
  3. 8. Which color of light bends the most when passing through a medium of different density?
  4. 9. The boundary between two different mediums through which light passes is called the ____.
Down
  1. 1. What happens to light when it encounters an interface between two materials of different densities?
  2. 3. The angle between an incident ray and the normal at the point of incidence is called the angle of _______.
  3. 4. What do we call the bending of light as it enters a new material?
  4. 5. What is the term for the range of colors formed when light is separated?
  5. 6. A triangular glass object that can separate white light into its colors is known as a ________.
  6. 10. Which color of light bends the least when passing through a medium of different density?