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Chapter 29 questio

QuestionAnswer
What happens when a wave reflects off a very rigid surface? the wave is totally reflected
Why are metals such as silver and aluminum so shiny? they reflect almost all the frequencies of visible light
State the Law of Reflection the angle of incidence and the angle of reflection are equal to each other
What is a drawn line perpendicular to the point where the incident ray strikes the barrier? normal
How do rays of light reflect from flat mirrors? They reflect in all directions
How does a convex mirror effect an image. The image is smaller and closer to the mirror than the object is.
How does a concave mirror effect an image? The image is larger and farther away than the object is.
Define image A likeness or a reproductionof an object.
What is the difference between virtual and real images? Virtual images are images that seem to be in or right behind the mirror, and real images are formed by converging light rays and can be displayed on a screen.
What type of image is a concave mirror? real
What is the reflection of light from a rough surface? diffuse reflection
When is a surface considered polished? when less than one-eighth the wavelength of the light falls on it.
What type of mirror is a convex morror? virtual
Why can your eye ordinarily not tell the difference between an object and its virtual image? The light enters your eye in exactly the same manner as it would if there were really an object where you see the image.
What type of mirrors are security mirrors? Convex mirrors.
Created by: emcferr
 

 



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