A boy claps his hands at regular intervals such that the echoe of a clap coincides with the rest clap .if his claps are reflected by a cliff 110m away and the speed of sound is 330ms-1, the frequency of clapping is
Answers
Answered by
2
Explanation:
if the echo of a clap coincides with ongoing clapping by a boy .
the distance covered before coinciding is 2L
that is 2 x 110 = 220m
wavelength of sound = 220
velocity of sound / frequency = 220
frequency = velocity of sound / 220
= 330 /220 = 3/2 = 1.5 Hz.
Similar questions