Physics
What is the deviation of a ray of light which is incident normally on the surface of two separating media :
- 0°
- 45°
- 90°
- 180°
Refraction Plane Surfaces
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Answer
0°
Reason — A ray of light incident normally on the surface separating the two media, passes undeviated (i.e., such a ray suffers no bending at the surface). Here, angle of incidence and angle of refraction = 0°
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