A man stands somewhere between two cliffs When he claps his hand he hears two echoes one after 2 seconds and one after 4 seconds

Question

A man stands somewhere between two cliffs When he claps his hand he hears two echoes one after 2 seconds and one after 4 seconds Taking the speed of sound as 300 m s find the distance between the cliffs 900 m 200 m hr miny 300 m

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