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Nobel Prizes and Laureates

Nobel Prizes and Laureates

The Nobel Prize in Physics 1911
Wilhelm Wien

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Wilhelm Wien - Facts

Wilhelm Wien

Wilhelm Wien

Born: 13 January 1864, Gaffken (now Parusnoye), Prussia (now Russia)

Died: 30 August 1928, Munich, Germany

Affiliation at the time of the award: Würzburg University, Würzburg, Germany

Prize motivation: "for his discoveries regarding the laws governing the radiation of heat"

Field: electromagnetism

Prize share: 1/1

Work

When a completely dark body is heated, it emits visible light and other electromagnetic radiation. The spectrum of the radiation is entirely dependent on the temperature of the body and not its composition. In 1893 Wilhelm Wien formulated his displacement law, which indicates at which wavelength the radiation is most intense at a certain temperature. He subsequently also formulated a law indicating how the radiation spectrum varies as temperature changes. However, this does not apply to small wavelengths, and in 1900 Max Planck formulated a law that conforms better.

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