About: http://webisa.webdatacommons.org/313863300

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	In the laboratory, to clearly observe the Fraunhofer diffraction fringe 14, the 2-dimensional wave of the monochromatic light is mainly used for the light which is to pass the slit 9.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk