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ID number:943089
 
Author:
Evaluation:
Published: 24.05.2011.
Language: Latvian
Level: Secondary school
Literature: 3 units
References: Not used
Extract

Krāsu redze
Cilvēks spēj izšķirt 300 ahromatisko
un desmitiem tūkstošu hromatisko krāstoņu
dažādās spilgtuma un
piesātinātības kombinācijās. Taču visu krāsu
bagātību veido 7 spektra krāsas: sarkana,
oranža, dzeltena, zaļa, gaišzila, tumšzila un
violeta. Katrai no tām atbilst
noteikts redzamās gaismas viļņa garums.
Gaismas stari ar dažādu viļņu garumu
izraisa tīklenes vālītēs fotoķīmiskus procesus,
kas kairina redzes nervu.…

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