
Concept explainers
The Beer-Lambert Law. A beam of light enters a medium such as water or smoky air with initial intensity
The constant
(“mu”), called the coefficient of absorption, varies with the medium. Use this law for Exercises 62 and 63.
Light through smog. Concentrations of particulates in the air due to pollution reduce sunlight. In a smoggy area,

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CALCULUS+ITS APPLICATIONS
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