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A convex lens of a focal length 5 cm is ...

A convex lens of a focal length 5 cm is used as a simple microscope. Where should an object be placed so that the image formed by it lies at the least distance of distinct vision (D = 25 cm) ? 

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To solve the problem, we will use the lens formula, which is given by: \[ \frac{1}{f} = \frac{1}{v} - \frac{1}{u} \] Where: - \( f \) is the focal length of the lens, ...
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