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Definition
| Molded piece of transparent material that refracts light in a manner that forms an image |
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Definition
| Produce an image at a certain point |
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| How do you catagorize lenses? |
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Definition
Has at least one surface curving out like a sphere
[image] |
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| What is the principle axis? |
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Definition
| Horizontal line drawn through ant lens |
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Definition
| Brings rays of light travelling parallel to the principle axis together |
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| Explain converging lenses through a double convex lens. |
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Definition
Has at least one surface that curves in like a cave
[image] |
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Definition
| Spreads out rays of light traveling parallel to the principle axis |
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Definition
| Point where all rays converge |
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Definition
| Distance from lens to focal point |
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| Explain diverging lenses through double concave lenses. |
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Definition
Type of lens that is 1⁄2 concave and 1⁄2 convex
[image] |
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Term
| Explain the eye and all the parts of it. |
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Definition
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Definition
| Sees light, sends optical info to the brain where it is processed allowing sight |
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Definition
| Transparent cover where light enters, does most of light bending |
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Definition
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| Colored part of eye that expands/ contracts to regulate size of pupil |
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Definition
| Does rest of light bending, allows light to be focused on the back of the eye |
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Term
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Definition
| Made of very sensitive tissue, there are two typres of tissues and two functions |
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Term
| What are the two typres of retna tissue? |
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Definition
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| How many types of cones do primates have? (only primates have this much) |
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Definition
| Carries light signals to the brain |
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Definition
| When light hits the small hole in the retna where the retna doesnt sense, but instead the optic nerve collects info to deliver to the brain. Therefore, there is no sensing in that spot, therefore it is a blind spot. |
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Term
| How much light maximum can be perceived by the eye? |
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Definition
| 500 million × the smallest amount of light |
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Term
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Definition
| Because of the extremily complex process of visualization, sometimes things are seen that are not there. That is an optical illusion. |
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