About: http://webisa.webdatacommons.org/200263811

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 photoelectric effect is a phenomenon in which electrons are emitted from the surface of a material after the absorption of energy.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org