Chapter4_3 - 1 1 i f n n h E f The wavelength is given by − = − = = 2 2 2 2 2 1 1 1 1 1 1 i f e i f n n n n E hc f c D Bohr’s model is

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PHY3063 R. D. Field Department of Physics Chapter4_3.doc University of Florida Bohr’s Model of the Hydrogen Atom (2) Energy Levels: The allowed energies of the electron are ) ( 2 1 2 1 2 1 2 2 2 0 2 2 2 c m n r n Ke r Ke E e n n α = = = . Thus, 0 2 1 E n E n = with eV c m E e 6 . 13 ) ( 2 1 2 2 0 = . Transitions and the Atomic Spectrum: When an electron makes a transition from one allowed state to another a photon is emitted ( i.e. electromagnetic radiation) and energy is conserved. Thus, i f E E hf = + and = 2 2
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Unformatted text preview: 1 1 i f n n h E f . The wavelength is given by − = − = = 2 2 2 2 2 1 1 1 1 1 1 i f e i f n n n n E hc f c λ D . Bohr’s model is remarkably successful, BUT it is not a correct description of an atom! r v electron charge = -e proton charge = +e F Energy Levels of the Hydrogen Atom The state is specified by the quantum number n!...
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This note was uploaded on 05/29/2011 for the course PHY 3063 taught by Professor Field during the Spring '07 term at University of Florida.

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