Physics, asked by rpowar838, 17 days ago

define critical angle of incidence and obtain​

Answers

Answered by atharvt844
0

Answer:

critical angle is the angle of incidence, for which the angle of refraction is 90°. If light enters a denser medium from a comparatively rarer medium, then the direction of light changes and the light ray bends towards the normal.

Explanation:

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