When an Organ Pipe, Which Is Closed at One End

question 28

Multiple Choice

When an organ pipe, which is closed at one end only, vibrates with a frequency that is 3 times its fundamental first harmonic) frequency,

• A) the sound produced travels at 3 times its former speed.
• B) the sound produced is its fifth harmonic.
• C) beats are produced.
• D) the sound produced has one-third its former wavelength.
• E) the closed end is a displacement antinode.

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