Question

a sound wave is incident on a surface making an angle of 30 degrees with it. what will the angle of reflection be

Answer 1

Explanation:

The angle of reflection is always equal to the the angle of incidence, which is the angle that the incoming ray, calledincident ray makes with the normal. The angle with the reflecting surface, that is mirror, is given as 30 degrees. ... In this case angle IOR = 90-30 =60.hope it will help you

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