Explanation Given Info: The light that reaches a person’s eye is a combination of 625 W / m 2 unpolarized light and 282 W / m 2 of horizontally polarized light. The light absorbed by darkening glasses is 33 % . The light that reaches a person’s eyes consists of unpolarized light and horizontally polarized light. The sunglasses are ideal polarizers with vertical transmission axis, so only unpolarized light will pass through sunglasses while horizontally polarized light is blocked by the sunglasses. The intensity of light after passing through the sunglasses is, I = 1 2 I o Here, I o is the intensity of unpolarized light. Substitute 625 W / m 2 for I o in the above equation. I = 1 2 ( 625 W / m 2 ) = 312.5 W / m 2 The light absorbed by darkening glasses is 33 % , so the total intensity of light transmitted by sunglasses is, I F = I − 33 % × I Substitute 312

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ISBN: 9780134051802

Author: Walker

Publisher: PEARSON

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Chapter 25, Problem 99GP

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The intensity of light transmitted through the sunglasses.

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Chapter 25, Problem 98GP

Chapter 25, Problem 100GP

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Chapter 25 Solutions

Physics (5th Edition)

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The intensity of light transmitted through the sunglasses.

Solution Summary: The author explains the intensity of light transmitted through the sunglasses. The light absorbed by darkening glasses is 33%.

The intensity of light transmitted through the sunglasses.

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