Question

Tierra is playing in her backyard when she hears her friend calling out to her. She can't see her friend but can hear her friend's voice. Which wave phenomenon helps explain why Tierra can hear her friend even when she can't see her?

interference


refraction


superposition


diffraction

Answer 1

Answer : diffraction

Step-by-step explanation : Diffraction is the phenomenon of bending of sound waves around the small openings or obstacles.

Tierra is playing in her backyard when she hears her friend calling out to her. Tierra can hear her friend even when she can't see her. This is because the sound is spreading out from the small openings and hence diffraction of sound wave occurs.