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Chapter 29 Questions

QuestionAnswer
How is the angle of reflection related to the angle of incidence? They are equal.
How do the waves reflect from a convex mirror? They diverge.
If an image in a mirror is inverted, what type of image is this? A real image
True of False: An object can be polished to some waves but not polished for others True
Usually waves are ________ when they fall on a transparent object. Partly reflected and partly refracted
Why are metals so shiny? They reflect almost all fequencies of visible light.
What happens to sound energy if it is not absorbed? It is absorbed or transmitted.
What happens to light that falls on a rough surface? The rays are reflected in many directions.
Describe the shape of a concave, convex, and plane mirror. Plane mirrors are flat. Concave mirrors curve inward. Convex mirrors curve outward.
What usually happens when a wave reaches the boundary between two media? Some or all of the waves are reflected back into the first media.
What is the wave that strikes a boudary called? An incident wave.
What kind of image can be projected onto a screen? A real image.
Why do colors in a mirror appear the same as in reality. The frequency of the reflected light wave is the same as the incident light wave.
What size is the image in a convex mirror compared to reality? The image appears smaller.
How are convex mirrors used in the world today? They are used as security mirrors and traffic control mirrors.
Created by: 100000094458178
 

 



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