Answers

2015-10-20T16:38:48+05:30
1.concave lens=it is used in spectacles of those people who suffer from near sightedness
2.convex lens-it is used as magnifying glass and in spectacles of those who suffer from far sightedness

these are the only type of lenses available

pls mark as brainliest
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2015-10-20T16:42:45+05:30
There are two types of Lens -
1 Concave Lens -  Used in magnifying glass , car side mirror's .
2. Convex Lens -  Magnifying Lens.
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