Mission SM9: Mathematics of Open-End Air Columns

Mission SM9 involves the mathematical analysis of open-end air columns. You will need to compute column length, frequency, wavelength, and speed for a variety of harmonic patterns. The mission consists of 32 questions organized into 8 Question Groups. You must answer one question from each Question Group to complete the mission. The learning outcomes for this mission are ...

Learning Outcomes

  • The student should be able to determine the wavelength and frequency of a standing wave in a open-end air column if given the speed, harmonic number and length of the air column.
  • The student should be able to determine the wavelength and the length of an open-end air column if given the frequency of a harmonic, the wave pattern and the speed of waves in the air.


Launch Mission SM9


Getting Help

If you are not familiar with this topic, then you should first learn about the topic using our written Tutorial or our Video Tutorial:

The Physics Classroom, Sound and Music Unit, Lesson 5, Part c


Video Tutorials:

None available at this time.



Question-Specific Help

Each Question Group has its own Help page with information specific to the question. You can access the Help page from within the mission by tapping on the Help Me! icon (textbook). For your convenience, links to those pages are provided below: