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15 Cards in this Set
- Front
- Back
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Plane mirror
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a flat, smooth mirror
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Virtual mirror
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an image that your brain perceives even though no light rays actually pass through it
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Concave mirror
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a mirror that’s surface is curved inward
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OPtical axis
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an imaginary straight line drawn perpendicular to the surface of the mirror at the center
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Focal point
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a point on the optical axis that every light ray parallel to the optical axis is reflected through
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Focal length
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the distance from the center of the mirror to the focal point
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Real image
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formed when the light rays converge to form the image
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Convex mirror
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a mirror that curves outward
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Convex lens
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a lens that is thicker in the middle than at the edges
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Concave lens
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a lens that is thinner in middle and thicker at the edges
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Cornea
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transparent covering on your eyeball
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Retina
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inner lining of your eye
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Refracting telescope
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a common telescope that uses two convex lenses to gather and focus light from a distant objects
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Reflecting telescope
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a telescope that uses a concave mirror, plane mirror, and a convex lens to focus light from distant objects
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Microscope
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uses two convex lenses
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