A stone is dropped into a well `45 m` deep. The sound of the splash of the splash is
Channel: Doubtnut
Date: 2020-07-26

A stone is dropped into a well `45 m` deep. The sound of the splash of the splash is heard `3.13 s` after the stone is dropped. Find the speed of sound in air. Take `g = 10 m//s^2`.