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ID number:109905
 
Author:
Evaluation:
Published: 15.03.2011.
Language: Latvian
Level: Elementary school
Literature: 2 units
References: Not used
Extract

Pirmie, kas raksturoja redzamo gaismu bija Īzaks Ņūtons savā grāmatā „Optika” un Gēte savā grāmatā „Krāsu teorija”.
Redzamās gaismas viļņu garums ir atkarīgs no krāsas. Cilvēka acs redz gaismu, kuras viļņu garums ir 400-700 nm. Salīdzināšanai var minēt, ka, piemēram, bites un daudzas putnu sugas spēj redzēt ultravioleto gaismu. Bitēm šī spēja palīdz atrast nektāru puķēs, savukārt putniem redzēt dažādas zīmes uz citu putnu spalvām.

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