[SOLVED] If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is

If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is

A. 0 degrees.
B. 40 degrees.
C. 90 degrees.
D. 80 degrees.
A. 0 degrees.
B. 40 degrees.
C. 90 degrees.
D. 80 degrees.

Answer:

The best answer for If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is

 When the incident wave hits a surface under some angle, the reflecting angle should be the same as the angle of incidence. So the correct answer is B. 40 degrees.

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