Question

Calculate the deviation suffered by a ray which is incident on a plane
horizontal mirror at an angle of90 dgree​

Answer 1

Answer:

hope it help

Deviation in case of plane mirror is equal to (π-2i)

thus your answer will be 60°

Answer 2

Answer:

There would be no deviation at all.

Explanation:

This is because the incident Ray is perpendicular to the mirror surface and it will undergo no deviation...

That's all

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