just doing a pre lab for \'\'Standing Waves on a String\" and want to be as prep

Question

just doing a pre lab for ''Standing Waves on a String" and want to be as prepared as possible for the lab.

objective: find speed of traverse wave on a string. find tension dependence of the fundamental resonance frequency.

then we are given:

resonance frequency = n(v/(2L))            v = squared root (F/mu)

where n = harmonic number

L= length of string

F= tension on string

mu= linear density

now the question is: Find the tension (hanging mass) that produces a fundamental resonance of the largest amplitude.

i might me jumping ahead of myself here, and these are all things one finds in the experiment, but if someone can give me some insight that would be great.

Explanation / Answer

To find the value of this tension, hang different weights on the end of the string until you get the

fundamental resonance of the largest amplitude. List in a table the weights you use and the quality

of the wave pattern produced, and note when the amplitude is largest.

Change the weight by the smallest possible increment and decrement near the fundamental resonance, and compare the size of the amplitude. It should tell you the uncertainty in the tension, which is likely to be larger

than the sum of the uncertainties of the individual weights (

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