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Convex (converging) lenses can form either real or virtual images (cases 1 and 2, respectively), whereas concave (diverging) lenses can form only virtual images (always case 3). Real images are always inverted, but they can be either larger or smaller than the object.
The Converging Lens Image Formation Interactive provides learners with a virtual light box for exploring the refraction of light through converging lenses and the manner in which such refraction leads to the formation of an image of a complex object.
While diverging lenses always produce virtual images, converging lenses are capable of producing both real and virtual images. As shown above, real images are produced when the object is located a distance greater than one focal length from the lens.
A converging lens produced a virtual image when the object is placed in front of the focal point. For such a position, the image is magnified and upright, thus allowing for easier viewing.
Converging lenses form virtual images if the object distance is shorter than the focal length. Using the common form of the lens equation , i is negative. Such images are formed with the simple magnifier .
This video explains virtual images in a converging lens for A Level Physics. Objects closer than the focal length of a converging lens will appear enlarged and 'virtual'. This video...
Convex (converging) lenses can form either real or virtual images (cases 1 and 2, respectively), whereas concave (diverging) lenses can form only virtual images (always case 3). Real images are always inverted, but they can be either larger or smaller than the object.