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kohl chapter 29words

QuestionAnswer
What determines whether an object is a diffuse or polished reflector? wavelengths of the waves it reflects
Reverberations, caused by very reflective walls, can do what to sound? garble it
The law of reflection states that the angle of incidence must be equal to what? The angle of reflection
What is the line called that is perpendicular to the point where to incident ray strikes the barrier? Normal
Which type of mirror is best used for security? Convex
A light wave that strikes a boundary. incident wave
Name the two angles that occur when light bounces off a mirror and what is the name of the line that is drawn where the first ray strikes the barrier? Angle of Incidence, Angle of Reflection, and the Normal.
What is the study of the reflective properties of surfaces? Acoustics
Name the three types of mirrors and describe each one. plane mirrors are flat. then, there is a convex mirror that is curved outwards. Last, there is concave mirror that curves inward.
When waves interact with matter,what happens? They can be reflected, transmitted, or a combination of both. Waves that are transmitted can be refracted.
What is an image? a likeness or reproduction of an object.
What is refraction? the bending of a wave as it crosses the boundary between two media at an angle.
What is the relationship between the angle of incidence and the angle of reflection? the angle of incidence is equal to the angle of reflection
Where do divergent rays seem to originate? From behind the mirror.
What is an echo? Reflected sound
Created by: mquintero
 

 



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