Question

The deviation of light ray when refracted by a parallel glass slab is –
A) 90°
B)0°
C)45°
D)180°​

Answer 1

Answer:

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Answer 2

Answer:

The deviation of light ray when refracted by a parallel glass slab is –

A) 90°

B)0°

C)45°

D)180°

Explanation:

Hence, the incident ray and emergent ray are parallel to each other. So, the angle of deviation is 0.