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Suppose an electron is confined in a box the size
of a single atom, with volume L x L x L.
A/ What is the uncertainty of the components of
electron momentum?
B/ Suppose each momentum component is just equal to
the uncertainty value in A. Then what the
electron energy?
C/ For what wavelength would a photon have the same
energy?
[ 0.04 nm L.
Give the energy in eV units, and the wavelength in nm.]
(A)
(B)
(C)

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