Question

importance of normal in reflection of light​ urgent please help

Answer 1

Answer:

The normal line divides the angle between the incident ray and the reflected ray into two equal angles. ... The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection.

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Answer 2

explain incident and reflected wave angle

Explanation:

but that proper explanation is that the any wave incident on the the Planes surface they will reflect and they will collide in this collision is elastic so that the the the particle is deflected in a certain angle