Answers

2015-12-21T19:30:12+05:30
Concave lens are the lens which are made up of 2 concave mirrors.but it does the same thing the  convex mirrors does.
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2015-12-21T19:32:11+05:30
Convex lenses are bulged outward and they are converging lens
concave lenses are curved inward and they are diverging lens
and they both are transparent
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