Sound WavesHard
Question
Two open pipes of length L are vibrated simultaneously. If length of one of the pipes is reduced by y, then the number of beats heard per second will be if the velocity of sound is v and y < < L : -
Options
A.
B.
C.
D.
Solution
λ1 = 2L ; λ2 = 2 (L - y)
ᐃf = f2 - f1 =
⇒
ᐃf = f2 - f1 =
⇒
Create a free account to view solution
View Solution FreeMore Sound Waves Questions
Beats are heard when the A strings of two violins are played. The beat frequency decreases as the tension in the A strin...Two vibrating tuning forks produce progressive waves given by y1=4 sin(500πt) andy2 = 2 sin(506πt). These tuning forks a...In an experment to measure the speed of sound by a resonating air column, a tuning fork of frequency 500 Hzis used. The ...A siren emitting sound of frequency 800 Hz is gong away from a static listener with a speed of 30m/s frequency of the so...If a simple pendulum oscillates with an amplitude of 50mm and time period of 2 sec then its maximum velocity is :...