Know about magnifying glass lens

Now let us start learning with  magnifying glass lens. A lens is a piece of a transparent optical material, having one or six spherical surfaces.

The magnifying glass is used to see the tiny objects. The large magnifying glass produces a large picture of the minute objects. The picture formed by the magnifying glass subtends a large visual angle at the eye so that the objects look large in the size.

                                                      

In the simplest type of the magnifying glass, is a narrow, short focused convex lenses carrying a handle.  Now the eye sees a magnified, erect and the virtual picture on the same side of the object.

A magnifying glass consists of a convex lens of short focal length. When the object to be observed is places nearer to the magnifying glass than its focal length, a highly magnified, virtual and upright picture of that object is formed on the same side of the glass as that of the object, and behind the object.

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