Question

when is Snell's law of refraction not applicable to a refracting medium?

Answer 1

Explanation:

Snell's law fails when the light rays are incident normally on the surface of a refracting medium. In this case light passes undeviated from the surface, i.e. no refraction occurs.Jun 4, 2014

Answer 2

Explanation:

Snell's law fails when the light rays are incident normally on the surface of a refracting medium. In this case light passes undeviated from the surface, i.e. no refraction occurs.

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