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The normalised radial component of the wavefunction for the ground state of hydrogen is given by
(n = 1,1 = 0, m = 0)
1
V100 (") = -
%3D
3
Tao
is the Bohr radius, de is the electronic charge, u is the reduced mass and the other
2
where ao
symbols have their standard meanings.
Find an expression for the radial position expectation value (r) (in symbols).

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