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20 Cards in this Set
- Front
- Back
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Which part of the eye transmits images to the brain? |
Optic Nerve |
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What is the vitreous humour? |
The jelly like material inside of the eye |
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What is the name of the white covering on the eye? |
Sclera |
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What is the purpose of the cornea? |
The cornea does most of the focusing. |
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What happens to light when it is refracted? |
It bends toward the normal line. |
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What is the law of refraction? |
When the light enters a denser medium it bends toward the normal line, when it exits it bends away from it. |
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What is the difference between reflection and refraction? |
Refraction is the changing of densities and reflection is a reflected ray. |
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Is water denser that air? |
Yes. |
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What is the law of reflection? |
the angle of reflection will always be equal to the angle of incidence |
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What are the 3 types of mirrors |
Convex, concave, plane |
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How is an image formed in a mirror? |
Some of the light rays hit the mirror and reflect back into our retina. |
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Which way would you measure the angles of incidence and reflection? |
From the ray to the normal line. |
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What is light? |
A form of energy we can see. |
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What does translucent mean? |
Partially see through. |
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Define opaque. |
Not see through at all. |
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Define transparent. |
Completely see through. |
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Which way do concave lens or mirrors bulge? |
Inward. |
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Which way do convex lens and mirrors bulge? |
Outward. |
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What is accommodation? |
Changing the shape of the lens in the eye. |
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What is the blind spot? |
The point where the retina enters the optic nerve. |
