Решение задачи по физике раздел 42 пункт 45 оптика

45. The absorption coefficient of a substance to monochromatic light of specific wavelength α = 0,1 cm-1. Determine the thickness of a layer of substance which is needed for the attenuation of light by 2 times and 5 times. Return Loss of light is not taken into account.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)