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№ 31 (160), 2020 .
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FERMAT'S PRINCIPLE AND «SELF-PRESERVATION» OF LIGHT associate professor, Samara state technical university, Russia, Samara ,
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ABSTRACT The connection between the laws of geometric optics, which are a consequence of Fermat's principle, and Bouguer's (Lambert's) law of light absorption is shown. : , , . Keywords: Fermat's principle, Bouguer's (Lambert's) law, propagation of light. ,
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[1].
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exp(– kl) → max. -
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I0 – I0∙ exp(– kl) → min.
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l → min.
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[2]:
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I = I0∙ exp(– kl), I0 – ,
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1. 35
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