Question 3 (1 point) The index of refraction of a certain glass is (1.53x10A0). What is the critical angle for total internal reflection at the
Question 3 (1 point) The index of refraction of a certain glass is (1.53x10A0). What is the critical angle for total internal reflection at the glass-air interface? Express your result in degrees with three significant figures. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: A clear sheet of polarizing material is placed on top of a second, similar sheet so that their polarizing axes make an angle G5 = (3.17x10"1) with each other. What is the ratio of the intensity of emerging light to incident unpolarized light? Express your answer with three significant figures. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Cl x10
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