FACT OR BLUFF
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The image in a concave mirror is always smaller than the
object, erect and located behind the mirror.
Refraction is the change of speed in a light wave as it
moves from one medium to another.
A mirror is a transparent object with at least one curved
side that causes light to refract.
An image produced by a concave lens maybe larger than
the actual object.
Convex lenses produces only virtual images.
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Concave lenses can be used to produce both real and
virtual images.
Concave eyeglass lenses are used to correct near
sightedness while convex lenses correct farsightedness.
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