description J.J. Thomson Overview
Sir Joseph John Thomson (1856–1940) was a British physicist who served as the head of the Cavendish Laboratory at the University of Cambridge. In 1897, he conducted experiments with cathode rays that led to the discovery of the electron, demonstrating that atoms are composed of even smaller subatomic particles. For his pioneering work in electrical conductivity in gases, he was awarded the Nobel Prize in Physics in 1906.
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What did J.J. Thomson discover in 1897?
In 1897, the British physicist J.J. Thomson conducted experiments with cathode rays that led to the discovery of the electron. His groundbreaking research demonstrated that atoms were not the smallest indivisible particles of matter, but were actually composed of even smaller subatomic components.
Where did J.J. Thomson conduct his research on the electron?
Thomson conducted his pivotal experiments while serving as the head of the Cavendish Laboratory at the University of Cambridge. Under his leadership, the Cavendish became one of the world's most prominent centers for experimental physics.
Did J.J. Thomson win a Nobel Prize for discovering the electron?
Yes, Thomson was awarded the Nobel Prize in Physics in 1906 for his theoretical and experimental investigations regarding the conduction of electricity by gases. His discovery of the electron fundamentally changed the course of modern atomic physics.
Was J.J. Thomson's son also a famous physicist?
Yes, his son, George Paget Thomson, also became a prominent physicist and won the Nobel Prize in Physics in 1937. George won the prize for his independent discovery of the wave properties of the electron, building upon his father's earlier work.
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