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define echo?? with an example??

Echo:-

The phenomenon of reflection of sound from a surface is called echo.

 For example, when you shout from a valley, you hear an echo.

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an echo is a reflection of sound, arriving at the listener some time after the direct sound. Typical examples are the echo produced by the bottom of a well, by a building, or by the walls of an enclosed room and an empty room. A true echo is a single reflection of the sound source.

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Hi Alova,

Echo is the reflection of sound which comes after a some timeof original sound.Eg: by the walls of an enclosed room and an empty room.

Hope it hlpzz..!!

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hi,

echo is the the reflection of a sound from the certain distance, for e.g. in the hilly areas. Minimum distance to hear echo is 17.2m.

hope it will help you....

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