Definition of Fresnel, Augustin Jean in English:

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Fresnel, Augustin Jean

Pronunciation: /ˈfreɪn(ə)l/
/fʀɛnɛl/
(1788–1827), French physicist and civil engineer. He correctly postulated that light has a wave-like motion transverse to the direction of propagation, contrary to the longitudinal direction suggested by Christiaan Huygens and Thomas Young.
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