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Suppose you put on two pairs of Polaroid sunglasses with their axes at an angle of $15.0^\circ$. How much longer will it take the light to deposit a given amount of energy in your eye compared with a single pair of sunglasses? Assume the lenses are clear except for their polarizing characteristics.
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Final Answer
$7.2 \% \textrm{ longer}$
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OpenStax College Physics Solution, Chapter 27, Problem 99 (Problems & Exercises) (2:42)

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