JAMB 1987
A ray of light is incident at an angle of 30o on one top surface of a parallel-sided glass block of refractive index 1.5. The ray finally emerges from the lower surface. What is the angular deviation of the emergent ray?
A. 60o
B. 39o
C. 28o
D. 0o?
In Physics
4 Answers Available
Asked by Michael on 2nd December, 2022
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