1) Evaluate the speed of light in a material with an index of refraction n = 1.33, round your answer to the nearest whole number. 2) A laser is pointed at a mysterious material as seen in the diagram below. a) Using a protractor, measure the angle of incidence. b) Using a protractor, measure the angle of refraction. c) Using Snells Law, calculate the index of refraction or the mysterious material. Incident Ray air: n = 1 Normal Line Refracted Ray