fresnel (Crossword)

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We didn't find answers to the clue “Fresnel” but we did find clues where “Fresnel” could be the answer:
  1. Augustin jean fresnel
  2. Frequency unit
  3. Lens developed for lighthouses
  4. Non-SI metric unit
  5. Physicist
  6. Unit of frequency

Definitions of “fresnel”
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• Augustin Jean, French physicist, 1788-1827
• A unit of frequency, equal to 10 cycles per second
• Unit of optical frequency equal to one terahertz
• A type of lantern that emits a soft edged diffused light
• (frequency) A Fresnel is a unit of frequency equal to 1012 s−1
• Pattern of a special form of condenser lens consisting of a series of concentric stepped rings
• The Fresnel was a French Redoutable Class submarine of 1379 tons displacement launched in 1929
• French physicist who invented polarized light and invented the Fresnel lens (1788-1827)
• A kind of spotlight (qv) in which the light is concentrated by a fresnel lens (a lens with concentric ridged rings)

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