Echo (acoustics)

reflection of sound that arrives at the listener with a delay after the direct sound From Wikipedia, the free encyclopedia

Echo (acoustics)

In acoustics, echo is when sound comes back. The word echo come from Greek word ἠχώ (ēchō) from (ēchos), "sound".

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Whales echolocation organs produce echoes and receive sounds

In nature echos happen in empty spaces, woods or mountains.


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