manandharanju19 manandharanju19

13-09-2020
Spanish

contestada

define echo and mention it's all condition required

Respuesta :

sandeepgautam sandeepgautam

13-09-2020

Answer:

the repetition of sound waves from a distant object is echo. it, s required condition are

1) there should not be any sound absorbing material.

2) the distance shouldbe 17m From the listener

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