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PH257 MP5 and MP6 Manual Addendum
MP5Physical Optics
III Introduction
Equation 6b should read
2
m= 1,
3,
5...
m
ax
m
L
λ
=±
±
±
VIFor the Report
VI1
Include the diffraction patterns recorded in section V1 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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This note was uploaded on 11/09/2010 for the course PHY 35345 taught by Professor Aa during the Spring '10 term at SUNY Buffalo.
 Spring '10
 aa

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