Cauchy's equation
type: Thing
description: empirical relationship between the refractive index and wavelength
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citations:
  source: Freebase Data Dumps
  stated in qid: Q15241312
  pub year: 2013
citations:
  source: Quora
  stated in qid: Q51711
meta:
  wikidata id: Q847339
  domain: equation
  level: standard
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  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-23T12:08:19.239123Z
  entity updated at: 2026-05-03T23:45:09.469384+00:00Z
  entity created at: 2026-04-10T23:21:38.024080+00:00Z