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The wave behavior of
electrons is studied by measuring the diffraction ring diameters produced
when accelerated electrons pass through a graphite lattice. Students record
the ring diameters for different electron accelerating voltages. The
wavelength of the electrons is directly related to the ring diameters.
Students can also verify de Broglie's relation, which states that the
electron's wavelength is Planck's constant divided by the electron's
momentum since the momentum is proportional to the square root of the
accelerating voltage. (15 minutes)
ORDER CODE: FFMBVL1077V
VHS
VIDEO
ORDER CODE: FFMBVL1077DVD
DVD
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