Multiple Choice
The thickness of the ozone layer can be estimated using the formula where I 0 is the intensity of a particular wavelength of light from the sun before it reaches the atmosphere, I is the intensity of the same wavelength after passing through a layer of ozone x centimeters thick, k is the absorption constant of ozone for that wavelength, and
is the acute angle that the sunlight makes with the vertical. Suppose that for a wavelength of 3,055
10 - 8 centimeter with k
1.93, I o /I is measured as 1.72 and
. Approximate the thickness of the ozone layer to the nearest 0.01 centimeter.
A) cm
B) cm
C) cm
D) cm
E) cm
Correct Answer:
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