Homework Help: Physics

Posted by Krysten on Friday, March 5, 2010 at 9:17am.

On a bright sunny day the irradiance on the surface of the ocean is 1.6*10^17 photons cm^-2 s^-1. If k=0.02 m^-1

a) How much light is left (irradiance) at 15 m?
b)at 75m?

Physics - drwls, Friday, March 5, 2010 at 11:34am
Use Beer's exponential attenuation equation. I have used it in previous answers.

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