Which formula removes this contradicts?

Asked by Rahul Kumar | 25th Sep, 2012, 01:29: PM

Expert Answer:

When such a situation occurs, there is no refraction. So we dont really need a formula.
That snell's law is just for cases when the incident ray is not perpendicular to the incident surface.

Answered by  | 25th Sep, 2012, 07:01: PM

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