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257-MP5 and MP6 Manual Addendum rev 2

257-MP5 and MP6 Manual Addendum rev 2 - PH-257 MP-5 and...

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PH-257 MP-5 and MP-6 Manual Addendum MP5-Physical Optics III Introduction Equation 6b should read 2 m= 1, 3, 5... m ax m L λ = ± ± ± VI-For the Report VI-1 Include the diffraction patterns recorded in section V-1 in your report. For the single slit pattern: By examination of equation 3b in the manual, we see that we can plot the locations of the minima (x n , relative to the location of the center of the central maximum) vs. the order number of the minima (n), and that the slope of that plot will give us the width of the slit. Tabulate x n and n. Plot x n vs. n, and using LINEST in Excel determine the slope and the uncertainty in the slope of that line. Calculate w, σ w , and compare with the manufacturer’s stated value. For the double slit pattern: By examination of equation 6b above, we see that we can plot the locations of the minima (x m , relative to the location of the center of the central maximum) vs. the
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