Definition of Rydberg constant in English:
A constant, 1.097 x 107 m−1, that appears in the formulae for the wave numbers of lines in atomic spectra and is a function of the rest mass and charge of the electron, the speed of light, and Planck’s constant.
- Five recent measurements of the frequencies of optical spectral lines in atomic hydrogen and deuterium have improved the accuracy of the Rydberg constant beyond 1 part in 109.
- Our aim is a measurement of the Rydberg constant, directly in frequency units, with an uncertainty of less than 10−10.
Early 20th century: named after Johannes R. Rydberg (1854–1919), Swedish physicist.
Definition of Rydberg constant in:
- British & World English dictionary
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