1.

At room temperature, the speed of sound in air is 340 m/s. An organ pipe with both ends open has a length L = 29 cm. An extra hole is created at the position L/2. The lowest frequency of sound produced is

A. 293 Hz
B. 586 Hz
C. 1172 Hz
D. 2344 Hz
Answer» D. 2344 Hz


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