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Define an echo.
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asked
Aug 23, 2021
in
Physics Form 2
by
anony mous
Define an echo.
sound
echo
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Aug 23, 2021
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anony mous
An echo is a reflected sound on meeting a reflector or an obstacle.
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Jun 14, 2023
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0768244XXX
Echo is the reflected sound
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Oct 21, 2023
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0710947XXX
Reflection of sound
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