Hii guys, Tell me about echo?
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Explanation:
If shout or clap is made near a suitable reflection object such as a tall building or a mountain the same sound can be heard again a little later . This is called echo.
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An echo is a sound that is repeated because the sound waves are reflected back. Sound waves can bounce off smooth, hard objects in the same way as a rubber ball bounces off the ground. Although the direction of the sound changes, the echo sounds the same as the original sound.
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