an incident sound wave makes an angle of 30 degrees with the reflecting surface find the angle of incidence and angle of reflection
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17
60 degree that is angle of normal is 90 degree
so.
90-30=60 degree
so.
90-30=60 degree
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6
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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