Possible Sources of Error in Speed of Sound Lab

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SUMMARY

The discussion focuses on identifying potential sources of error in a speed of sound lab conducted using the open air column method. Key factors include the resonance length measurement, which is affected by the water meniscus and additional length discrepancies. The equations utilized in the experiment are \(\nu = (2n-1)v/4L\) and \(v = 331 + 0.59Tc\), which are critical for calculating the speed of sound and estimating room temperature. Accurate measurement and understanding of these variables are essential for reliable results.

PREREQUISITES
  • Understanding of resonance in closed air columns
  • Familiarity with the equations for speed of sound, specifically \(\nu = (2n-1)v/4L\) and \(v = 331 + 0.59Tc\)
  • Basic knowledge of experimental physics and lab techniques
  • Ability to measure and interpret resonance lengths accurately
NEXT STEPS
  • Research methods to minimize measurement errors in resonance length
  • Explore the impact of temperature on sound speed using \(v = 331 + 0.59Tc\)
  • Learn about the effects of environmental factors on sound propagation
  • Investigate advanced techniques for measuring sound speed in various mediums
USEFUL FOR

This discussion is beneficial for physics students, educators conducting sound experiments, and anyone interested in improving the accuracy of acoustic measurements in laboratory settings.

classic91
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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, please
 
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