Resonance in open air column

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resonance in closed air column

Homework Statement


we have conduct a lab to determine the speed of sound and estimate room temprature by using open air column method. put a tube in the water, have a tuning folks (sound source) on the above, and pull the tube up and down to find the resonance length, then use the equation to find wavelength, then speed, and use another equation to find temprature.
so my question is watz the possible source of error in this lab.


Homework Equations


\nu = (2n-1)v/4L or \nu =nv/2L
v=fh
v=331+0.59Tc


The Attempt at a Solution


water meniscus and extra length of resonance length maybe two of them.

can anyone help me, plz
 
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Answers and Replies

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anyone?
 
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