what is echo an it's formulas
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Sound caused by reflection of sound wave from a reflector is called an Echo.
V = 2 X d/t
Hope it helps..............
V = 2 X d/t
Hope it helps..............
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A reflection of sound, arriving at the listener in more than 0.1s after direct sound called an echo.
v=2 X d/t
v=2 X d/t
When it is heard after 0.1s it is called a distinct echo.
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