Engineering Board Exam Reviewer · Physics · medium
Light passes from air (n = 1.0) into glass (n = 1.5) at an angle of incidence of 40°. What is the angle of refraction?
- 26.67°
- 28.90°
- 40.00°
- 25.37°
Answer
D. 25.37°
Solution
n1 1 = n2 2 2 = 40°/1.5 = 0.4285 2 = 25.37°.
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