a. What is dispersion of light? Why does it happen? (4 pts)…
a. What is dispersion of light? Why does it happen? (4 pts) b. A laser beam travels through an unknown transparent material. When it reaches a boundary with air, the angle of reflection is 30.0°, and the angle of refraction is 45.0°. (c=3×108 m/s)(a) What is the index of refraction of the material?(b) What is the speed of light in the material?(c) What is the critical angle for total internal reflection? (6 pts)
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