One side of a glass slab is silvered as shown A ray of light incident on the other side at angle of incidence i = 45o. Refractive index of glass is given as 1.5. The deviation of the ray of light from is initial path when it comes out of the slab is
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a
900
b
1800
c
1200
d
450
answer is A.
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Detailed Solution
From the figure it is clear that the angle between incident ray and the emergent ray is 900. S=1800 - (450 + 450)=900.
One side of a glass slab is silvered as shown A ray of light incident on the other side at angle of incidence i = 45o. Refractive index of glass is given as 1.5. The deviation of the ray of light from is initial path when it comes out of the slab is