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Mirrors & Refraction

TermDefinition
ray an imaginary straight line that represents the path light takes from its origin to an object
reflect to bounce off a surface and to form an image of an object, as in a mirror
beam a group of closely related rays of light
law of reflection a light ray is reflected by a flat mirror at the same angle at which it strikes the mirror
line of symmetry divides a figure evenly in half, each side is exactly the same
horizontal symmetry divides a figure in half evenly from side to side
vertical symmetry divides a figure in half evenly from top to bottom
diverge spread out, scatter
converge come together, focus
concave depression or curved inward
convex bulging or curved outward
image the reproduction of an object formed in a mirror
light energy moving through space from its source to an object and then from that object to our eyes
speed of light 186,000 miles per second
Created by: Amy Burson
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