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Questions
Single choice
A light ray passes from water (refractive index ( n1 = 1.33 )) into diamond (refractive index ( n2 = 2.42 )). If the angle of incidence in water is ( 300 ), what is the angle of refraction in diamond?
Options
A.a. 19.20
B.b. 22.80
C.c. 15.50
D.d. 25.40
View Explanation
Standard Answer
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Approach Analysis
We start from Snell's law for refraction: n1 sin(theta1) = n2 sin(theta2).
Given: n1 = 1.33, theta1 = 30 degrees, n2 = 2.42.
Compute sin(theta2): sin(theta2) = (n1 * sin(theta1)) / n2.
sin(30°) = 0.5, so sin(theta2) = (1.33 * 0.5) / 2.42 = 0.665 / 2.42 ≈ 0.2748.
Now find theta2: theta2 ≈ arcsin(0.2748) ≈ 15.9 degrees. This is the ......Login to view full explanationLog in for full answers
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