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# 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: