echo please give me short note
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reflected sound is called echo...
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When a sound produced by a person is reflected back and heard after the original sound has been ceased is called echo.
For producing an echo some conditions are required i.e, the distance between the producer and the reflector of sound must be of 17m or more.The intensity of sound must be high such that the sound could reflect back and can be heard easily....
For producing an echo some conditions are required i.e, the distance between the producer and the reflector of sound must be of 17m or more.The intensity of sound must be high such that the sound could reflect back and can be heard easily....
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