Question

What is the measure of the angle made by the reflected sound with the reflecting surface when the angle of incidence is 40°​

Answer 1

Explanation:

What is the measure of the angle made by the reflected sound with the reflecting surface when the angle of incidence is 40°

Answer 2

Explanation:

The angle of reflection is always equal to the the angle of incidence, which is the angle that the incoming ray, called incident ray makes with the normal. The angle with the reflecting surface, that is mirror, is given as 30 degrees.