Question

what property of sound leads to a formation of echos

Answer 1

The property which leads to the formation of echoes is reflection of sound. When a sound is repeatedly reflected and if minimum distance between sound sources and reflecting surface is more than 17.2 m, then we hear echoes.

Answer 2

Hey mate, here is your answer :


The property which leads to the formation of echoes is reflection of sound.


Hope this answer helps you...