A boy stands `60 m` in front of a tall wall and claps. The boy continues to clap every
Channel: Doubtnut
Date: 2020-07-26

A boy stands `60 m` in front of a tall wall and claps. The boy continues to clap every time an echo is heard. Another boy dindds that the time between the first(1 st) and the fifty first (51 st) clap is `18 s`. Calculate the speed of sound.