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Chapter 29-Allison

15 questions

QuestionAnswer
Does light travel through a mirror, and if not, what happens? No, it is returned by the mirror's surface. These waves are reflected.
When waves strike the surface of a transparent medium, like water, at an angle, these direction changes. What are these waves called? These waves are called reftracted waves.
When light strikes glass perpendicularly, about what percentage of its energy is reflected? About 4% of its energy is reflected.
When light shines perpendicularly on the surface of still water, about what percentage of its energy is reflected? About 2% of its energy is reflected.
What does the law of reflection state? It states that the angle of incidence and the angle of reflection are equal to eachother.
What is the name of the line that is perpendicular to the point where incident ray strikes the barrier, that is drawn with a dashed line? That line is called the normal.
What two angles are equal to eachother? the two angles that are equal, is the angle of reflection and the angle of incidence.
Each of the infinate numbers of rays on rough surface...... obeys the law of reflection.
What does diverge mean? Diverge means to spread apart.
Where do the diverging waves appear to originate from? They originte from a point located behind the mirror.
What type of image appears to be in location where light does not really reach? This type of image is called a virtual image.
what type of mirror produces only virtual images? Plane mirrors
Can your eye ordinarily tell the difference between an object and its virtual object? No, your eyes can not.
How far back is the image in the mirror, compared to the front of the mirror? The distance is the same.
What type of mirror is used for a make-up mirror? the type of mirror used for a make-up mirror is a concave mirror.
Created by: Allison Hupfeld
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