گاش: گردانَن مَنٛز فَرَق

'''گاش''' یا '''اَتھہِ یِنہٕ وول گاش''' چھےٚ اکھاَکھ [[اؠلیٚکٹرومیٚگنیٹِک ریڈیشَن]] یَتھ [[انسان أچھ]] ہیٚکہِ [[بیٖنٲئ|وُچِتھ]].<ref>[[International Commission on Illumination|CIE]] (1987). [http://www.cie.co.at/publ/abst/17-4-89.html ''International Lighting Vocabulary''] {{Webarchive|url=https://web.archive.org/web/20100227034508/http://www.cie.co.at/publ/abst/17-4-89.html|date=27 February 2010}}. Number 17.4.4۔ CIE, 4th edition. {{ISBN|978-3-900734-07-7}}.<br />By the ''International Lighting Vocabulary'', the definition of ''light'' is: "Any radiation capable of causing a visual sensation directly."</ref>