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Chapter 29- 15 que

Kohls homework assignment-2/20/10

What's the Law of Reflection? The angle of incidence and the angle of reflection are equal to each other.
A mirror that curves inward is a ______ mirror. Concave
A mirror that curves outward is a ______ mirror. Convex
A mirror that is flat is a _____ mirror. Plane
A security and traffic control mirror is what kind of mirror? Convex
A makeup mirror is what kind of mirror? Concave
What happens when light is exposed on a rough surface? It is diffused.
What happens when sound energy is not relflected? It is absorbed or transmitted.
What kind of image do plane mirrors only produce? Virtual.
Does light travel through a mirror? No, because it is returned by its surface.
The angle of _______ equals the angle of ______. Incidence/Reflection
Refraction of light is caused by: Changes in the speed of light, as it passes from one medium to another, or variations in the tempatures and densities of the same medium.
The virtual image is larger and farther away from the object when an object is close to a _____ mirror. Concave
The virtual image is smaller and closer from the object when an object is close to _____ mirror. Convex
When are sound waves refracted? When parts of a wave front travel at different speeds.
Created by: kvince
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