An echo is returned in 3 seconds .what is the distance of the reflecting surface from the source?given that the speed of sound is 342 m/s. Define echo.
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Answer:
The phenomenon of reflection of sound is called as echo
Explanation:
Problem:
2d=v*t
Substituting the given values
2d= 342*3
2d=1026
d=1026/2
=513m
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