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Katie Maguire

Powerpoint questions for Chapter 29

What happens when a wave is totally reflected? All of the wave's energy bounces back.
If the wave is only partially reflected then the second medium must be... less rigid
Why are metals such as silver and aluminum so shiny? Light does not propagate into metal. It is returned in a reflected wve.
What is the relationship between the angle of incidence and the angle of reflection? The angle of incidence always equals the angle of reflection.
When you look in the mirror, why is the color of the image always the color of the object? The frequency of light is not changed by reflection.
A flat mirror is also called a... Plane mirror
Where do divergent rays seem to originate? From behind the mirror.
Where does a virtual image appear to be? In a location where light does not really reach
Which mirror curves outward and is used for security purposes? Convex
Which mirror curves inward and is used for applying makeup? Concave
Which mirror is flat and is used in dressing rooms? Plane
Virtual images are always... Upright
How are real images formed? By converging light rays
What is an echo? Reflected sound
What is the only kind of mirror that can produce inverted images? Concave
Created by: kmaguire