Question

What is an echo for a sound?
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Answer 1

Explanation:

Hola

The shoryest answer is

The reflection of the sound is simply called as echo of the sound .

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Answer 2

$\huge\underline\mathfrak\red{Answer}$

Explanation:

$\huge \underline \blue{Echo:}$

Echo is repetition of original sound because of reflection from rigid surface at a distance from the source of sounds.

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