First slide

Standing waves

Question

If we study the vibration of a pipe open at both ends, then the following statement is not true

Moderate

A

Open end will be anti-node
B

Odd harmonics of the fundamental frequency will be generated
C

All harmonics of the fundamental frequency will be generated
D

Pressure change will be maximum at both ends

Solution

Statement (4) is not true, because the open ends of the pipe are open to atmosphere hence there will be no pressure change.

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