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# mp4 - W experimental value =.05mm W stated value =.04mm...

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Margaret Rah MP4 34135084 VI. Diffraction Pattern --- ------- --- In this experiment we used the double slit and the single slit pattern to find the minuma relative to the location of the center of the central maximum. X -5 X -3 X -1 X 1 X 3 X 5 -1.2 -.8 -.4 .4 .9 1.3 Using the LINEST function in excel we find that the slope=.262857 a experimental = .24 mm a stated value = .25 mm Percent difference = 4% VI-2 Diffraction from a single slit - - --- - - X -4 X -3 X -2 X -1 X 1 X 2 X 3 X 4 -10.6 -7.8 -5.1 -2.5 2.5 5.1 7.7 10.5 Using the LINEST function in excel we find that the slope of the line is 2.605

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Unformatted text preview: W experimental value = .05mm W stated value = .04mm Percent difference = 25% VI-4. diameter D of the first minimum = 1.8cm d experimental = .04289 mm d stated = 0.08mm Percent error = 7.23% VI-5. Diffraction of a grating X1 X2 17.6 35.9 d=1/600mm = .00167mm = 0.000167cm λ exp (m=1) = .0000554 Percent difference = 12.45% λ exp (m=2) = .0000487 Percent difference = 23% QUESTIONS I. 1. Error for m=1 = .00178cm 2. Error for m=2 = .00132cm II. 154 cm...
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mp4 - W experimental value =.05mm W stated value =.04mm...

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