Magnification prodyced by a convex lens is always show un numbers
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Answer is A.
Concave lenses always produce images that are upright, virtual, reduced in size, and located on the object's side of the lens.
Therefore, the magnification produced by a concave lens is always less than 1.
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Magnification of a concave lens or a convex mirror is always positive because they always form virtual and erect images. It can be negative or positive for a convex lens or a concave mirror.
Positive magnification for virtual images and negative magnification for real images is true only when a single optical device is used. When used as a combination, a virtual and inverted image may be formed. One such example is a compound microscope.
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