Velocity of sound in open-ended tube is $330 ext{ ms}^{-1}$, the frequency of tuning fork is $1.1 ext{ kHz}$ and the length of tube $= 30 ext{ cm}$. In which harmonic will it oscillate?

Question

Velocity of sound in open-ended tube is $330	ext{ ms}^{-1}$, the frequency of tuning fork is $1.1	ext{ kHz}$ and the length of tube $= 30	ext{ cm}$. In which harmonic will it oscillate?

Aicharya · Accepted Answer

Let the tube will oscillate in $n	ext{th}$ harmonic. Then, $n \left(\frac{v}{2l}ight) = 1.1 	imes 10^3$ $	herefore n = \frac{2.2 	imes 10^3 	imes l}{v} = \frac{2.2 	imes 10^3 	imes 0.3}{330} = 2$

Velocity of sound in open-ended tube is $330\text{ ms}^{-1}$, the frequency of tuning fork is $1.1\text{…

Solution