Richmeyer Ch. 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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| Bathroom and dressing room mirrors are what kind of mirrors? | Plane mirrors.
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| What is an example of a convex mirror? | Security mirrors.
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| Do waves that are bent toward the normal slow down or speed up? | Slow down.
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| What is the purpose of grooves in concert hall walls? | They diffuse sound waves evenly.
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| What is an example of reflected sound? | Echo.
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| A surface may be polished for what kind of wavelengths? | Long wavelenghts.
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| What type of image does a convex mirror project? | A virtual image.
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| Do soft objects reflect or absorb light? | Absorb.
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| What is the name of the angle between the normal and Reflected ray? | Angle of Reflection.
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| The law of reflection states that the angle of incidence and the angle of reflection are....to each other. | Equal.
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| Waves are usually partly reflected and partly refracted when they fall on a....medium. | Transparent.
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| How does a concave mirror curve? | Inward.
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| The line drarn perpendicular to the mirror is called what? | The normal.
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| Diffuse reflection is the reflection of light from what kind of surface? | A rough surface.
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| Is the sound level higher or lower when reflective surfaces are more absorbent? | Lower.
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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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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:
13_jrichmeyer
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