About: http://webisa.webdatacommons.org/285073673

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	My question was a hint that monochromatic photon is as meaningless as polychromatic photon.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org