Tag: study of sound
Questions Related to study of sound
The speed of sound in air and sea-water are given to be $340\ m/s$ and $1440\ m/s$ respectively. A ship sends a strong signal straight down and detects its echo after $1.5$second. The depth of the sea at that point is
State whether the given statement is True or False :
What should be the minimum distance between the source of sound and the obstacle to hear an echo?
A man beats drum at a certain distance from the mountain. He slowly increases the rate of beating and finds that the echo is not heard distinctly, when the drum beating is at the rate of $40$ per minute. He moves by $80 m$ towards the mountain and finds that the echo is again not heard distinctly when the rate of beating of the drum is $1$ per second. What is the original distance of the man from the mountain?
An echo will be heard if the minimum distance between the source of sound and the obstacle is
A girl blew a whistle while standing in front of a cliff. She heard an echo after $4s$. Find the distance of the cliff from the boy if velocity of sound in air is $332m{s}^{-1}$
A boy shouts while standing in front of a hill. He hears an echo after $6s$. If the speed of sound in air is $340 m/s$, what is the distance of the hill from the position of the body?
An echo returns in $3 s$. What is the distance of the reflecting surface from the source?
An echo returned in $3 s$. What is the distance of the reflecting surface from the source, given that the speed of sound is ${ 342ms }^{ -1 }$?
Sound produced by a thunderstorm is heard 10 s after the lightning is seen. The approximate distance of the thunder cloud :
(Given speed of sound $= 340 m s^{1}$)