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concave and convex

convex *Bend light rays to make objects to look bigger
convex *It is the thickest the middle
convex This lens is used in a magnifying glass, mos cameras, telescopes
convex These cause light to come together
convex the human eye has convex lens
concave Bend lights to make objects look smaller
concave it is thinnest in the middle (A concave lens look like opening to a cave so you can remember that it curves inward.)
concave these cause light to spread.
Created by: 20089067