Question

Refractive indices of 2 different media with separating boundary at the diagonal of rectangular glass slab are shown. Total angle of deviation of the ray as shown in the figure, when it emerges in air is :

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A
120
B
90
C
60
D
45
E
30
Solution
Verified by Toppr

Angle of incident at the boundary = 60
By snells law
3sin60=1.5sinr
r=90
Thus the angle of deviation as seen in the figure is given as 90o60o=30o
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