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Subjects
Science CBSE
Class 9
Sound
Textbook questions
30.
Intext questions XI
Exercise condition:
3
m.
An echo is heard in \(3\ s\). What is the distance of the reflecting surface from the source, given that the speed of sound is \(342\ ms^{-1}\)?
Distance
\(=\)
\(m\)
(
Note: Enter your answer with no decimal digits
)
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