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27 Cards in this Set
- Front
- Back
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A disturbance that transfers energy from place to place.
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Wave
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The high point of a wave.
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Crest
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The low point of a wave.
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Trough
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The maximum distance that the particles of the medium carrying them from their rest position.
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Amplitude
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The distance between two corresponding parts of a wave.
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Wave length
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When an object or wave bounces back off a surface through it cannot pass.
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Reflection
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All waves obey this. This states that the angle of incidence equals the angle of the reflection.
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Law of Reflection
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A mirror with a surface that curves inward like the inside of a bowl.
(curves in like a cave) |
Concave mirror
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A mirror with a surface that curves outward.
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Convex mirror
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The bending of light waves due to a change in speed.
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Refraction
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A magnifiying glass is thicker in the center than at the edges.
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Convex lens
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A lens that is thinner in the middle than at the edges.
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Concave lens
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The complete range of the electromagnetic wave placed in their order of frequency.
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Electromagnetic spectrum
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Material that transmits most of the light that strikes it.
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Transparent
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Material that scatters light as it passes through. ( smoke, fog, or clouds.)
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Translucent
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Material that absorbs all the light that strikes it.
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Opaque
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A short thick nerve in the eye.
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Optic nerve
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The circular structure that surrounds the pupil and regulates the amount of light entering the eye.
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Iris
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A layer of cells that lines the inside of the eyeball.
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Retina
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A small depression in the retina of the eye where visual acuity is highest.
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Fovea
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Light enter the eye through the transparent front surface.
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Cornea
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An opening through which light enters the inside of the eye.
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Pupil
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A curved piece of glass or other transparent material that refracts light.
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Lens
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The white outer layer of the eyeball. At the front of the eye it is continuous with the cornea.
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Sclera
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The pigmented vascular layer of the eyeball between the retina and the sclera.
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Choroid
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The transparent jellylike tissue filling the eyeball behind the lens.
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Vitreous humor
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The clear fluid filling the space in the front of the eyeball between the lens and the cornea.
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Aqueous Humor
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