Question

If light goes from denser to rarer medium, then​

Answer 1

Answer:

When light travels from a denser medium to a rarer medium, it bends away from the normal, as illustrated to the left. This behavior follows from Snell's Law. As you saw before, the larger angle must be in the medium having the lower index of refraction.

Explanation:

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Answer 2

Answer:

When a beam of light goes from denser medium (μd) to rarer medium (μr) it bends away from the normal. This behavior follows from Snell's Law. Then it is generally observed that magnitude of angle of incidence is half that of angle of refraction.