University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 33 - The Nature and Propagation of Light - Problems - Discussion Questions - Page 1104: Q33.16

Answer

Light reflecting from the water is partially horizontally polarized.

Work Step by Step

As explained on page 1096, light reflecting from the water is partially horizontally polarized. Sunglasses have a vertical transmission axis, so in their normal orientation they block the glare. However, if you lie on your side while wearing the sunglasses, the pass axis is now oriented horizontally, and the glasses will admit the reflected light without attenuating it.
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