Chapter 29 Questions
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 is the only mirror that produces a virtual image? | Plane mirror
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| Which mirror curves outward and its image is virtual image? | Convex mirror
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| What do we call multiple reflections of sound that just keep bouncing? | Reverberations
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| Which images will always be inverted? | Real images
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| What is the law of reflection? | The angle of incidence equals the angle of reflection.
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| What happens when light hits a rough surface? | The light is reflected in many directions.
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| Security mirrors and traffic control mirrors are examples of what kinds of mirrors? | Convex mirrors
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| In which mirror do you see a larger and virtual image? | Concave mirror
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| What is an incident ray? | A light ray that strikes a boundary.
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| What term means to spread apart? | Diverge
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| What is diffuse reflection? | It's the reflection of light from a rough surface.
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| What happens to sound energy that is not reflected? | It's either absorbed or transmitted.
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| What is accoustics? | The study of reflective properties of surfaces.
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| What has to happen for a surface to be considerd polished? | The surface must be about 1/8 the wavelength of the light that falls on it.
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| What do we call the line perpendicular to the point where the incident ray strikes the barrier? | The normal
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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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.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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