# User:Garrett E. McMath/Notebook/Junior Lab/2008/10/13/Summary

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< User:Garrett E. McMath | Notebook | Junior Lab | 2008 | 10 | 13

# Summary

This Lab was gave extremely accurate results contrary to my intuition. The difficulty in getting the data made me think that our results would be pretty bad. As you can see from the lab notebook our worst percent error from the accepted value was 1.4%. The only improvements I can thnk of would like the E/M ratio lab to use a camera to take a high resolution shot of the ring diameter to get more accurate readings. Given that all the geometric issues had already been resolved and could easily be factored in(though they did not affect the data a significant amount for the margins of error we were working with) their is not much else that could be done for the improvement of this data.

Inner Diameter

- y=mx+b: m=1.32 with an uncertainty of .062 and b=.0023 with an uncertainty of .0014 (R^2=.895)
- y=mx: m=1.47 with an uncertainty of .004 (R^2=.883)

Outer Diameter

- y=mx+b: m=1.71 with an uncertainty of .019 and b=.0126 with an uncertainty of .00076 (R^2=.984)
- y=mx: m=2.51 with an uncertainty of .0021 (R^2=.765)

^{SJK 17:32, 1 November 2008 (EDT)}Calculated Spacing of Carbon

**Inner Diameter**

- Spacing from slope: .216nm (1.4% error from accepted value of .213nm)

**Outer Diameter**

- Spacing from slope: .124nm (.81% error from accepted value of .123nm)