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Reflectancy vs Reflectance - What's the difference?

reflectancy | reflectance |

As nouns the difference between reflectancy and reflectance

is that reflectancy is alternative form of reflectance while reflectance is the ratio of the flux reflected to that incident on a surface.

reflectancy

English

Noun

  • * {{quote-journal, 2007, date=December 14, Robert Pasnau, The event of color, Philosophical Studies, url=, doi=10.1007/s11098-007-9191-z, volume=142, issue=3, pages=
    • , passage=That is, when a colored surface is illuminated by light, an event takes place on the surface, and that event is characterized by a certain SSR. Since SSRs are defined in terms of percentages of reflectancy , the property holds constant over variations in illumination, so long as there is enough light of the right sort to produce a light-emitting event. }}

    reflectance

    English

    Noun

    (en noun)
  • (physics) The ratio of the flux reflected to that incident on a surface

    • See also

    * reflectivity