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1
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One of the many cells in the retina of the eye that responds to colors
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4
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The distance along the optical axis from the mirror to the focal point
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5
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A lens that is thicker in the middle than at the edges
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6
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Reflection of light from a smooth shiny surface
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8
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One of the many cells in the retina of the eye that respond to colors
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9
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A lens that is thicker in the edges than in the middle
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10
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A mirror that curves inward
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11
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The point where light rays parallel to the optical axis converge after being reflected by a mirror or refracted by a lens.
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12
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A mirror that curves backward like the end of a spoon.
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