Question

Why is an echo weaker than original sound?

Answer 1

Echo is weaker than a original sound because ,echo is the direct reflects sound that will hear at 0.1 sec at a distance.But,original sound is not directed it will non-uniformly in perpendicular or in transfer wave with high decibel (dBs) .so,the echo is weaker than an original sound.
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Answer 2

The Echo is weaker than the original sound.
This is because Echo is the refection of a sound wave i.e a reflected sound.
When sound is reflected the intensity of sound decreases.
Hence the Echo is weaker.


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