85.7 Hz 128 Hz 260 Hz 466 Hz
I am hesitating between 4 options to answer the following question, which option should I choose?
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?
Possibilities:
- 85.7 Hz
- 128 Hz
- 260 Hz
- 466 Hz

128 Hz