Powerpoint questions for Chapter 29
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What happens when a wave is totally reflected? | All of the wave's energy bounces back.
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| If the wave is only partially reflected then the second medium must be... | less rigid
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| Why are metals such as silver and aluminum so shiny? | Light does not propagate into metal. It is returned in a reflected wve.
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| What is the relationship between the angle of incidence and the angle of reflection? | The angle of incidence always equals the angle of reflection.
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| 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.
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| A flat mirror is also called a... | Plane mirror
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| Where do divergent rays seem to originate? | From behind the mirror.
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| Where does a virtual image appear to be? | In a location where light does not really reach
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| Which mirror curves outward and is used for security purposes? | Convex
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| Which mirror curves inward and is used for applying makeup? | Concave
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| Which mirror is flat and is used in dressing rooms? | Plane
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| Virtual images are always... | Upright
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| How are real images formed? | By converging light rays
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| What is an echo? | Reflected sound
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| What is the only kind of mirror that can produce inverted images? | Concave
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
kmaguire
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