Respuesta :
Reflection
Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.
Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.
Answer:
Reflection
Explanation:
If the sound wave strikes on a smooth surface at any angle, it bounces back into the same medium with the same angle. It is the called reflection of sound.
Sound waves obey the laws of reflection.