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The Amount of Light, P, Expressed as a Decimal, Passing

Question 67

Multiple Choice

The amount of light, P, expressed as a decimal, passing through a substance of thickness d, in meters, is given by the equation log P = -kd, where k is a constant.
The constant k for a piece of stained glass is 17. What percent of light will pass through a piece of glass that is 0.003 m thick?
Round to the nearest tenth.


A) 1.1 %
B) 88.9 %
C) 8.9 %
D) 0.9 %

Correct Answer:

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