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A 20 D lens is used as a magnifier. Wher...

A 20 D lens is used as a magnifier. Where should the object be placed to obtain maximum angular magnification? (Given, D=25 cm).

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To solve the problem of where to place the object for maximum angular magnification using a 20 D lens, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Given Information:** - The power of the lens (P) is given as 20 D. - The distance of the near point (D) is given as 25 cm. ...
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