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Thomas Young (scientist)
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Thomas Young was a British polymath who made notable contributions to the fields of vision, light, solid mechanics, energy, physiology, language, musical harmony, and Egyptology. He was instrumental i
Portrait of Thomas Young by Henry Perronet Briggs, 1822–6
Portrait of Thomas Young by Henry Perronet Briggs, 1822–6
Plate from "Lectures" of 1802 (RI), published 1807
Plate from "Lectures" of 1802 (RI), published 1807
Volumes I and II of A Course of Lectures on Natural Philosophy and the Mechanical Arts (1807)
Volumes I and II of A Course of Lectures on Natural Philosophy and the Mechanical Arts (1807)
Title page to volume I of A Course of Lectures on Natural Philosophy and the Mechanical Arts (1807)
Title page to volume I of A Course of Lectures on Natural Philosophy and the Mechanical Arts (1807)
Double-slit experiment
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In modern physics, the double-slit experiment demonstrates that light and matter can exhibit behavior associated with both classical particles and classical waves. This type of experiment was first de
Thomas Young (scientist)
…the ripple tank, he demonstrated the idea of interference in the context of water waves. With additional experiments, including the predecessor of the double-slit experiment, he demonstrated interference in the context of light as a wave. Young also used his data from this experiment to calculate the wavelengths of different…
Same double-slit assembly (0.7 mm between slits); in top image, one slit is closed. In the single-slit image, a diffraction pattern (the faint spots o
Same double-slit assembly (0.7 mm between slits); in top image, one slit is closed. In the single-slit image, a diffraction pattern (the faint spots on either side of the main band) forms due to the nonzero width of the slit. This diffraction pattern is also seen in the double-slit image, but with many smaller interference fringes.
Fig. 442 in a 1807 book about Young's lectures with a caption by Young that reads: “the manner in which two portions of coloured light, admitted throu
Fig. 442 in a 1807 book about Young's lectures with a caption by Young that reads: “the manner in which two portions of coloured light, admitted through two small apertures, produce light and dark stripes or fringes by their interference.”