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

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

anonymous · Answer

it is diffraction as for it to take place the wavelength of source should be comparable to the slit or obstacle in real life wavelength of light is of the order of nanometers and u cant expect it to get difdfracted over big obstacles like chairs tables