human
Question: An organ pipe produces a musical note same number of nitrogen gas molecules. with a wavelength of 2.72 m. What is the frequency of this note if the speed of sound is 348 m/s?

Choices:
A) 85.7 Hz
B) 128 Hz
C) 260 Hz
D) 466 Hz
gpt
The correct answer is 1: 128 Hz.