About: http://webisa.webdatacommons.org/30480085

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	Now assume light is a wave, the layer has thickness $\delta$ and the incident wave (in red) has wavelength $\lambda$.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com