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).

answer: pseudoscience

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

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amplitude

hope this