^Simple microscope

^Simple microscope

A simple microscope is simply a converging lens of small focal length (f < D).

Suppose a short object has a height h0 is viewed by eye without using a lens by pacing it at near point, then the visual angle made by the object eye is

Far point case

It the object is placed at F of a conves lens such that the images at far point (∞) is formed  as shown,

then the magnifying power  of lens  

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