An Organ Pipe Open at Both Ends Has Two Successive

question 21

Multiple Choice

An organ pipe open at both ends has two successive harmonics with frequencies of 210 Hz and 240 Hz. What is the length of the pipe? The speed of sound is 344 m/s in air.

• A) 5.25 m
• B) 5.73 m
• C) 2.76 m
• D) 4.90 m
• E) 3.62 m

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