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Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.<br />
Name Date Class<br />
Directions: Fill in the blanks in front of the phrases below with the correct term from the term bank.<br />
incidence prism translucent<br />
normal reflection transparent<br />
opaque refraction violet<br />
1. the angle between the normal to a surface and an incoming light ray<br />
2. an object that transmits almost all of the light that strikes it<br />
3. a device that separates white light into different wavelengths<br />
4. an object that transmits some light but blurs images<br />
5. the angle between the normal to a surface and a reflected light ray<br />
6. an object that absorbs and reflects, but does not transmit, light<br />
7. the color of light waves with the shortest wavelengths<br />
8. a line perpendicular to a reflecting surface<br />
9. what occurs when light changes speed as it passes from one<br />
medium to another.<br />
Directions: Unscramble these four terms to fill in the blanks to explain how a mirage is formed.<br />
gemia traferacino iseedints ecolor<br />
A mirage is an (10) of a distant object produced by the<br />
(11) of light through layers of air of different (12) .<br />
This occurs when the air at ground level is much warmer or cooler than the air above it. Light waves<br />
travel slower in (13) ,denser air, so they refract as they pass through air lay-<br />
ers of different temperatures.<br />
Directions: Use the law of reflection to explain why rough surfaces produce diffuse image<br />
reflections.<br />
14.<br />
1<br />
<strong>Study</strong> Guide<br />
The Behavior of Light<br />
Chapter<br />
13<br />
The Behavior of Light 47
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