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2015-10-27T17:36:59+05:30

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Basically there are two types of lenses :-

1. Concave lens

2. Convex lens


But these are also divided in different categories , for concave :-

1. Plano-concave lens

2. Bi conacave lens

3. Equi-concave lens

4. concavo- convex lens

same names for types of convex lenses
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2015-10-27T18:14:52+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The 2 types of lenses are
                  
                 convex
                     
                  concave 

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