Power of corrective lens — task. Science CBSE Homework Assignments, Class 10.

The defective eye of a person has near point \(0.5\ m\) and point \(3\ m\). The power of corrective lens required for (i) reading purpose and (ii) seeing distant objects, respectively are:

\(0.5\ D\) and \(+3\ D\)
\(+2\ D\) and \(-1/3\ D\)
\(-2\ D\) and \(+1/3\ D\)
\(0.5\ D\) and \(-3\ D\)

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3. Power of corrective lens

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