Respuesta :
Diffraction is responsible for someone being able to hear sound from the room while standing by the wall to the side of the opening.
What is diffraction?
Diffraction refers to a variety of events that occur when a wave collides with a barrier or an opening.
Diffraction is described as the bending of waves around the corners of an obstruction or through an aperture into the region of the obstacle's geometrical aperture's shadow.
Hence option 2 is right. Diffraction is responsible for the following phenomenon.
To learn more about the diffraction refer to the link;
https://brainly.com/question/1812927