About: http://webisa.webdatacommons.org/252354899

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The angle of refraction depends on several factors, including the index of refraction of the lens material and the thickness of the lens with respect to the radius of curvature.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com