A swimmer enters a gloomier world (in one sense) on diving to greater depths. Given that the
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A swimmer enters a gloomier world (in one sense) on diving to greater depths. Given that the mean molar absorption coefficient of sea water in the visible region is 6.2 × 10−3 dm3 mol−1 cm−1, calculate the depth at which a diver will experience
(a) Half the surface intensity of light,
(b) One tenth the surface intensity?
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