A light ray is incident from a denser medium on the boundary separatin – InterviewSolution

1.	A light ray is incident from a denser medium on the boundary separating it from a rarer medium at an angle of incident equal to the critical angle, what is the angle of refraction for the ray?
Answer» When a ray is incident from a denser medium to a rarer medium at angle equal to critical angle (i=i_c), the angle of refraction becomes 90°.

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