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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker
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Polarization and the Ground Spider The ground spider

Chapter 25, Problem 6CQ

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QUESTION:

Problem 6CQ

Polarization and the Ground Spider The ground spider Drassodes cupreus, like many spiders, has several pairs of eyes. It has been discovered that one of these pairs of eyes acts as a set of polarization filters, with one eye’s polarization direction oriented at 90° to the other eye’s polarization direction. In addition,

experiments show that the spider uses these eyes to aid in navigating to and from its burrow. Explain how such eyes might aid navigation.

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QUESTION:

Problem 6CQ

Polarization and the Ground Spider The ground spider Drassodes cupreus, like many spiders, has several pairs of eyes. It has been discovered that one of these pairs of eyes acts as a set of polarization filters, with one eye’s polarization direction oriented at 90° to the other eye’s polarization direction. In addition,

experiments show that the spider uses these eyes to aid in navigating to and from its burrow. Explain how such eyes might aid navigation.

ANSWER:

Step 1 of 3

Let us assume that the polarization axis of one eye of the spider Drassodes cupreus is at angle  from the horizontal direction.This eye will not be able to see the light coming from  angle.

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