Question

An echo of sound is heard after 2 second find distance of reflecting surface if the speed of body is 330m/s

Answer 1

DISTANCE = Time taken for the echo to return /2 × speed of sound in the medium

DISTANCE = 2/2 × 330 m

$= 330$

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Answer 2

Answer:

speed = distance/ time

330m/s = distance/2s

distance = 330m/s * 2s = 660m

Now, one way distance = distance/2 = 660/2 = 330 m