A ray of light is traveling in a glass with an index of refraction of n = 1.50 and strikes a glass/air interface. If the angle of incidence is 35°, Calculate the angle of refraction?
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Explanation:
μ
g
=1.5
∴1.5=cosecC
Or, C=42
0
.
Critical angle for glass =42
0
. Hence a ray of light incident at 50
0
in glass medium undergoes total internal reflection. δ denotes the deviation of the ray.
δ=180
o
−(50
o
+50
o
) or δ=80
o
.
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