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Concave Lenses
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lina
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Cards (3)
Concave lenses -
Cave
Inwards
Thinner
at the centre than at the
edges
Concave
lenses are used to spread light our further
Used to correct
short-
sightedness
As the light it focused in
front
of the retina, so needs to be
spread
out slightly to be able to be focused onto the retina
.
A)
Light
B)
Concave Lens
2