If a sound wave strikes a surface and returns back into the first medium, this phenomenon is called ______?

اگر آواز کی لہر کسی سطح پر حملہ کرتی ہے اور پہلے میڈیم میں واپس آجاتی ہے تو ، اس رجحان کو ______ کہا جاتا ہے؟

Refraction of sound

Diffraction of sound

Reflection of sound

None of these

When a sound wave strikes a surface and bounces back into the original medium, this is called reflection.

It’s the same principle behind echoes.