Question

A man standing between two cliffs class his hands &starts hearing a series of echoes at intervals of 1 second If speed of sound in air is 340 m/s then distance between the cliffs is?

Answer 1

https://www.quora.com/A-man-standing-between-two-parallel-cliffs-fires-a-gun-He-hears-two-echoes-One-after-2-seconds-and-the-other-after-4-seconds-What-is-the-distance-between-the-cliffs-if-the-velocity-of-sound-is-330m-s

A man standing between two parallel cliffs fires a gun. He hears ...