Question

The maximum variation of pressure in an open organ pipe of length $L$ vibrating in fundamental mode is at

• A. ends
• B. middle of pipe
• C. $\frac{L}{4}$ from centre
• D. $\frac{3L}{8}$ from centre

Answer 1

The correct option is B middle of pipe

in the open organ pipe vibrating at it's fundamental mode the pressure antinode is formed at middle of the tube .

so the answer is B.