what is echo? explain
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the come back of sound is known as echo
nikhisingh:
in which class you studying
8th
ohh
kyu kya hua
kuch nahi
i think you are from orai
kya
kuch nahi
aur sunao
hi
Answered by
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A sound or sounds caused by the reflection of sound waves from a surface back to the listener is called an echo.
REGARDS
MONICA .
REGARDS
MONICA .
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