A pipe open at both ends has a fundamental frequency

Question:

A pipe open at both ends has a fundamental frequency $\mathrm{f}$ in air. The pipe is dipped vertically in water so that half of it is in water. The fundamental frequencty of the air column is now :-

 

  1. $\mathrm{f}$

  2. $\frac{\mathrm{f}}{2}$

  3. $\frac{3 f}{4}$

  4. $2 f$


Correct Option: 1

Solution:

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