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Name Date Class<br />
4<br />
50 Using Light<br />
<strong>Study</strong> Guide<br />
Using Light<br />
Directions: Answer the following questions on the lines provided.<br />
1. Why are polarized sunglasses popular among people who like to fish?<br />
Chapter<br />
13<br />
2. When at the grocery store, you should never look into the beams of light in the scanner at the<br />
checkout lane. Why not?<br />
3. Why are optical fibers often called light pipes?<br />
4. Which pair of lenses would be best suited for automobile drivers? (The direction of polarization<br />
is shown by the straight lines.) Explain.<br />
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