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This question belongs to Physics GK Chapter Wise Sounds Waves And Motion

Sounds waves and Motion

?

An echo comes back in 3 seconds. If the speed of sound is 342 ms^-1, what is the distance from the source to the reflecting surface?

A) 513 meters B) 644 meters C) 342 meters D) 171 meters

Answer & Solution

Correct Answer: Option A

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