A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incident is:
A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incident is:
(a) 0° (b) 45° (c) 60° (d) 90°
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(a) 0o
Reason: A ray of light which is incident normally (i.e. at angle of incidence = 0°) on the surface separating the two media, passes undeviated.
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