An obstacle of large size, whether polished or rough, is needed for the reflection of sound waves. This surface acts as the reflecting medium for sound.
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The reflection of sound waves follows the same laws as the reflection of light. Specifically, the angles of incidence and reflection are equal, and both lie in the same plane as the normal to the reflecting surface at the point ...
The quality or timber of sound.
Amplitude, represented by A, indicates the magnitude of the maximum disturbance in the medium, correlating with loudness.
As the wave propagates, its amplitude and loudness decrease.