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Question

Answer the following questions.A. define the term echof. B why do we not here he echoes in ordinary surroundings.

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Solution

The repetition of sound caused by the reflection of sound waves is called an echo.

Like all waves, sound waves can be reflected. Sound waves suffer reflection from the large obstacles. As a result of reflection of sound wave from a large obstacle, the sound is heard which is named as an echo. Ordinarily echo is not heard as the reflected sound gets merged with the original sound. Certain conditions have to be satisfied to hear an echo distinctly.

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