Converging lens/ Optics?

Physics
Tutor: None Selected Time limit: 1 Day

The image produced by a converging lens is typically a difference size from the object itself. However, for a lens with focal length "f" there is one object distance that will yield an image the same size as the object. What is that object distance?

May 1st, 2015

when object is at 2F the image size is same as that of object

 

object distance = 2 * Focal length.......................................

May 1st, 2015

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