| Johannes Rydberg |
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| CATEGORIES ABOUT JOHANNES RYDBERG | |
| swedish physicists | |
| people connected to lund university | |
| 1854 births | |
| 1919 deaths | |
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Johannes Robert Rydberg, (‘Janne’ to his friends), ( November 8 , 1854 - December 28 , 1919 ), was a Swedish Physicist mainly known for devising the Rydberg Formula , in 1888 , which is used to predict the Wavelength s of Photon s (of Light and other Electromagnetic Radiation ) emitted by changes in the energy level of an Electron in an Atom . The Physical Constant known as the Rydberg Constant is named after him, as is the Rydberg unit. Excited atoms with very high values of the Principal Quantum Number , represented by n in the Rydberg Formula , are called Rydberg Atom s, and a Crater on the moon is also named '' Rydberg '' in his honour. He was active at Lund University , Sweden , for all of his working life. REFERENCES Mike Sutton, “Getting the numbers right – the lonely struggle of Rydberg” Chemistry World, Vol. 1, No. 7, July 2004. SEE ALSO EXTERNAL LINK |
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