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Problem
Problem
A prism having refractive index
2
\sqrt{2}
2
and refractive angle
30
∘
30^\circ
3
0
∘
has one of the refractive surfaces polished. A beam of light incident on the other surface will trace its path if the angle of incidence is a.
0
∘
0^\circ
0
∘
b.
30
∘
30^\circ
3
0
∘
c.
45
∘
45^\circ
4
5
∘
d.
60
∘
60^\circ
6
0
∘
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