Slit II - diffraction of the light Thus we should not see...

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Nick Voelz TA: Kevin Hand Slit Optics II Hydrogen Light y = 0.0005x + 0.0702 y = -0.0001x + 0.339 y = 1E-04x + 0.0075 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0 200 400 600 800 Wavelength Sin(q) 100/mm 300/mm 600/mm Linear (100/mm) Linear (300/mm) Linear (600/mm) Helium Light y = 0.0002x + 0.0535 R 2 = 0.921 y = 0.0001x - 0.0183 R 2 = 0.3445 y = 0.0004x + 0.1022 R 2 = 0.9437 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0 200 400 600 800 Wavelength 300/mm 100/mm 600/mm Linear (300/mm) Linear (100/mm) Linear (600/mm) By looking at the data we see that none of the graphs lay on the same line because as the number of slits per mm increased the slit width decreased which caused a greater
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Unformatted text preview: diffraction of the light. Thus we should not see the lines overlapping as with each increase in the amount of slits the diffraction increases. Due to the decrease in overall slit width. We obtain average values of slit width to be about .00045mm for the 100 slit/mm, about .00015mm for the 300 slit/mm, and about .00004mm for the 600 slit/mm. As is shown on each graph you can see the equation of best fit for each data set....
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This note was uploaded on 04/29/2008 for the course PHYS 4 taught by Professor Collins during the Spring '08 term at Marquette.

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