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25 Cards in this Set
- Front
- Back
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opaque
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reflects or absorbs all light that strikes it (for example: wood or metal)
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translucent
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material that scatters light as it passes through
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diffuse reflection
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occurs when parallel rays of light hit a bumpy, or uneven, surface.
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image
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is a copy of an object formed by reflected or refracted rays of light
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plane mirror
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a mirror that is flat
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concave mirror
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a mirror with a surface that curves inward like the inside of a bowl
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convex mirror
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a mirror with a surface that curves outward
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index of refraction
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is a measure of how much a ray of light bends when it enters that material
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mirage
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is an image of a distant object caused by refraction of light
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concave lens
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is thinner in the center than at the edges
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convex lens
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is thicker in the center than at the edges
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primary colors
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light makes red, green, and blue
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complementary color
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any two colors that combine to form white light
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pigments
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are opaque substances that are used to color other materials
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cornea
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the transparent front surface of the eye
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pupil
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is the part of the eye that looks black but is actually a hole that allows light to enter the eye
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nearsighted
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a person can see nearby things clearly, but objects at a distance appear blurry.
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farsighted
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a person who can see distant objects clearly, but nearby objects appear blurry.
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telescope
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forms enlarged images of distant objects
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microscope
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forms enlarged images of tiny objects
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laser
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light amplification by stimulated emission of radiation
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hologram
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a 3 dimensional photograph created by using the light from a laser
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optical fibers
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long, thin strands of glass or plastic that can carry light for long distances without allowing the light to fade out
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tansparent
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a material that transmits all light
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camera
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uses lenses to focus light and record an image of an object and the lens focuses the light to form a real image on the film
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