Snells lov: Forskelle mellem versioner

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bemærkning om Ibn Sahl fra enwiki.
Tag: 2017-kilderedigering
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Snells lov er opkaldt efter [[Willebrord Snell]]ius, men blev oprindeligt formuleret af [[Buyide-dynastiet|perseren]] [[Ibn Sahl (fysiker)|Ibn Sahl]] i [[984]].<ref name="Rashed1990">{{cite journal |last=Rashed |first=Roshdi |year=1990 |title=A pioneer in anaclastics: Ibn Sahl on burning mirrors and lenses |journal=[[Isis (journal)|Isis]] |doi=10.1086/355456 |volume=81 |issue=3 |pages=464–491}}{{Disputed inline|Elaborate on Ibn Sahl's authorship of the law|date=November 2017|reason=Treatise by Roshdi Rashed/Ibn Sahl is without experimental underpinning and lacks foundation in theory: conflict with article by Dr. Gorden Videen.}}{{clarify |date=November 2017 |reason=conflicts with Rashed (1990), p.491: “when attention is paid to the problems raised by the image of an object observed through a lens, the situation becomes quite different; in this case it is impossible to avoid difficulties as astigmatism and aberration”}}</ref>
Snells lov er opkaldt efter [[Willebrord Snell]]ius.
 
== Udledning ==