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Bohr model - Rydberg Formula | | Bohr model - Rydberg Formula: Encyclopedia II - Bohr model - Rydberg Formula | | The Rydberg formula describes the transitions or quantum jumps between one energy level and another. When the electron moves from one energy level to another, a photon is given off. Using the derived formula for the different 'energy' levels of hydrogen one may determine the 'wavelengths' of light that a hydrogen atom can give off.
The energy of photons that a hydrogen atom can give off are given by the difference of two hydrogen energy levels:
where nf< ...
See also:Bohr model, Bohr model - History, Bohr model - Refinements, Bohr model - Electron energy levels in hydrogen, Bohr model - Energy in terms of other constants, Bohr model - Rydberg Formula, Bohr model - Shortcomings | | | Bohr model, Bohr model - Electron energy levels in hydrogen, Bohr model - Energy in terms of other constants, Bohr model - History, Bohr model - Refinements, Bohr model - Rydberg Formula, Bohr model - Shortcomings, Franck-Hertz experiment provided early support for the Bohr model., Inert pair effect is adequately explained by means of the Bohr model., Lyman series, Schrödinger equation | | |
| | | Bohr model: Encyclopedia II - Bohr model - Rydberg Formula
Bohr model - Rydberg Formula
The Rydberg formula describes the transitions or quantum jumps between one energy level and another. When the electron moves from one energy level to another, a photon is given off. Using the derived formula for the different 'energy' levels of hydrogen one may determine the 'wavelengths' of light that a hydrogen atom can give off.
The energy of photons that a hydrogen atom can give off are given by the difference of two hydrogen energy levels:
where nf means the final energy level, and ni means the initial energy level. It is assumed that the final energy level is less than the initial energy level.
Since the energy of a photon is
the wavelength of the photon given off is
The above is known as the Rydberg formula. This formula was known in the nineteenth century to scientists studying spectroscopy, but there was no theoretical justification for the formula until Bohr derived it, more or less along the lines above.
Other related archives1913, 1925, 19th century, Bohr radius, Ernest Rutherford, Franck-Hertz experiment, Inert pair effect, Lyman series, Niels Bohr, Planck's Constant, Planck's constant, Rydberg formula, Schroedinger, Schrödinger equation, Stark effect, Zeeman effect, angular momentum, atom, atomic physics, atomic spectra, atoms, centripetal force, classical mechanics, coulomb force, de Broglie hypothesis, eV, electric charge, electric discharges, electromagnetic waves, electron, electrons, electrostatic forces, emission lines, energy, energy level, fine structure, fine structure constant, gasses, generalized coordinate, generalized momentum, gravity, helium, hydrogen, hydrogen atom, hyperfine structure, ionized, lithium, magnetic fields, nucleus, obsolete scientific theory, perturbation, perturbation theory, photon, planetary mechanics, principal quantum number, quantized, quantum jump, quantum jumps, quantum mechanical, quantum mechanics, rest energy, scattering state, solar system, spectroscopy, synchrotron radiation, virial theorem, wave mechanics
 Adapted from the Wikipedia article "Rydberg Formula", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki |
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