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Was hat Joseph John Thomson herausgefunden?
THOMSON entdeckte das Elementarteilchen Elektron. 30 Jahre später gelang es seinem Sohn G. P. THOMSON (1892-1975), gleichzeitig mit DAVISSON und GERMER Interferenzerscheinungen bei Elektronen und damit den Wellencharakter nachzuweisen. Er erhielt dafür 1937 gemeinsam mit DAVISSON den Nobelpreis für Physik.
Was versteht man unter dem Kugelteilchenmodell?
Das Kugelteilchenmodell ist das erste und einfachste Modell zum Aufbau von Materie. Es geht davon aus, dass Materie aus harten Kugeln aufgebaut ist, die sich bei verschiedenen Stoffen unterscheiden. Das Kugelteilchenmodell betrachtet Teilchen als harte Kugeln.
What did J J Thomson discover?
What Did J. J. Thomson Discover? Sir Joseph John Thomson, a British physicist, discovered the electron in 1897. In experiments studying electric discharge in cathode tubes, he noted a high value for the ratio of charge to mass. His observation led him to identify the first subatomic particle, the electron.
What was the early life of Joseph Thomson?
Early Life and Education Joseph John Thomson, who was always called J.J., was born in Cheetham Hill, England, near Manchester, in 1856. His father was a bookseller who planned for Thomson to be an engineer. When an apprenticeship at an engineering firm couldn’t be found, Thomson was sent to bide his time at Owens College at the age of 14.
What did JJ Thomson do in the year 1913?
In 1913 Thomson published an influential monograph urging chemists to use the mass spectrograph in their analyses. J. J. Thomson. Thomson received various honors, including the Nobel Prize in Physics in 1906 and a knighthood in 1908.
What is Thomson’s contribution to physics?
Thomson entered physics at a critical point in its history. Following the great discoveries of the 19th century in electricity, magnetism, and thermodynamics, many physicists in the 1880s were saying that their science was coming to an end like an exhausted mine.