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in Science by (39.8k points)
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The angle of incidence from air to glass at the point O on the hemispherical glass slab is. 

A. 45° 

B. 0° 

C. 90° 

D. 180°

2 Answers

+1 vote
by (15.7k points)
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Best answer

Correct answer is B. 0°

 For a normal incident light on the surface, ∠i = 0.

+1 vote
by (39.0k points)

Correct option is B. 0°

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