A man is standing between two parallel cliffs and fires a gun. If he hears first and second echoes
Channel: Doubtnut
Date: 2020-08-23

A man is standing between two parallel cliffs and fires a gun. If he hears first and second echoes after 1.5 s and 3.5s respectively, the distance between the cliffs is (Velocity of sound in air `= 340 ms^(–1)` )