A person stands in front of a large, flat wall and shouts. They hear their voice returning after a short delay. Which law of sound is this, and state that law?
. The situation demonstrates the of Sound.
First Law:
The angle of incidence is to angle of reflection of the sound wave.
The angle of incidence is to angle of reflection of the sound wave.
Second Law:
The incident sound wave, the to the point of incidence, and the sound wave all lie in the .
The incident sound wave, the to the point of incidence, and the sound wave all lie in the .