The separation of white light into its component colors is ...

[lb_gilbert]

The separation of white light into its component
   colors is called
   a) dispersion.
   b) polarization.
   c) diffraction.
   d) refraction.

Question 2

The index of refraction of a substance is
  a)equal to the speed of light in vacuum divided by its speed in that substance.
  b)equal to the speed of light in that substance.
  c)the same as the angle of refraction.
  d)the same as the angle of incidence.
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[jomama]

Answer to Question 1

c

Answer to Question 2

a

[lb_gilbert]

Thanks for the timely response, appreciate it

[Mochi]

Great answer, keep it coming