What is an echo What factors are important to get a distinct echo?
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an echo is sound produce by the reflected waves of the original sound . The distance to here and echo is 17.2 metre
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The repetition of sound caused by its reflection of a hard surface is known as echo. Factors important to get a distinct echo are:
The minimum distance between the source and reflector of sound should be 17m. The size of reflector must be large enough as compared to the wavelength of the sound wave.
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