Optical Systems
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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| Transparent | light passes through freely
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| translucent | light passes through and scatteres (some is absorbed or reflected)
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| opaque | no light can pass through, all light is absorbed or reflected
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| shadows | bigger if object is closer to light sorce, smaller if object is farther from light sorce
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| normal | line drawn at right angle to a soldid barrier
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| incident ray | incoming light ray
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| reflected ray | light ray that bounces off
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| angle of incidence | angle between incident ray and the normal, labelled with an i
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| angle of reflection | angle bvetween reflected ray and the normal, labelled with an r
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| law of reflection | the angle of reflection equals the angle of incidence
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| refraction | bending of a wave when it passes from one medium to another
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| light passing through air to water (refraction)bends ___________the normal | slows down and bends toward
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| light passing through water to air (refraction) bends ___________ the normal | speeds up and bends away from
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| angle of refraction | angle between the refracted ray and the normal, labelled with an R
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| when you look at an object under water, it appears to be _______ where it really is | above
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| light can also be refracted in air, resulting in _________ | mirages
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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:
jlarose
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