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<r> of hydrogen atom in ground state

  1. Nov 4, 2003 #1
    Using the ground state of the hydrogen atom
    Psi 1,0,0 = sqrt([pi]*a3) * e-r/a

    I get <r> the expected radius as <r> = 3a/2 where a = Bohr radius.

    Anybody happen to know if this correct?

    It would have been cooler if the Bohr radius in physical constants were <r> and the scale factor were in Psi 1,0,0.
  2. jcsd
  3. Nov 4, 2003 #2
    Yes, your value is correct.
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