The Figures Show Standing Waves of Sound in Six Organ

question 28

Multiple Choice

The figures show standing waves of sound in six organ pipes of the same length.Each pipe has one end open and the other end closed.Note: some of the figures show situations that are not possible.
-If the length of the pipes is 0.500 m,what is the frequency of the sound emitted from pipe 3? The speed of sound is 343 m/s.

• A)172 Hz
• B)344 Hz
• C)429 Hz
• D)515 Hz
• E)858 Hz

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