Physics, 17.10.2021 14:40 nyce36

If a filter material has an absorption coefficient, α = 120m-1 for a given wavelength, how thick should the filter be for it to show a transmittance of 50%? (Assume that reflection losses at the front and rear faces are negligible, and that incidence is perpendicular).

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If a filter material has an absorption coefficient, α = 120m-1 for a given wavelength, how thick sho...

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