Q 11-14-003NEETNEET 2023Top questionEasy
The ratio of frequencies of fundamental harmonic produced by an open pipe to that of closed pipe having the same length is :
Answer: (B) $2:1$
Open pipe: $f_o = \dfrac{v}{2L}$. Closed pipe: $f_c = \dfrac{v}{4L}$.
$$\frac{f_o}{f_c} = \frac{4L}{2L} = 2 : 1$$
Solution by Sreeraj P, M.Sc Physics