@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t6-35.2>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "6-35.2" ;
  skosxl:prefLabel "speed of light in vacuum"@en ;
  skosxl:altLabel "light speed in vacuum"@en ;
  skosxl:altLabel "luminal speed"@en ;
  skosxl:altLabel "c_0"@en ;
  skos:definition "scalar quantity equal to the speed of electromagnetic waves in vacuum (<<iso80000-1>>)\n\n[stem%unnumbered]\n++++\nc_0 = 299792458 \"unitsml(m/s)\"\n++++\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-6> ;
  isq:hasUnit [
    skos:notation "m/s" ;
    skosxl:prefLabel "metre per second"@en
  ] ;
  isq:hasUnit [
    skos:notation "m*s^-1" ;
    skosxl:prefLabel "metre per second"@en
  ] ;
  skos:note "This value is not only valid for electromagnetic waves in vacuum, but also for gravitational waves. It is also the upper limit for the speed of propagation of information since this requires a physical carrier. This quantity is considered to be constant in time.\n\nIts value has been fixed by CGMP (see <<bipm-si>>).\n\nSee also <<iec60050-113,locality:item=\"113-01-34\">>.\n"@en ;
  iso:urn <urn:iec:std:iec:80000-6:2022-11:::6-35.2> .