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What is the nature of the image formed by a convex lens if the magnification produced by the lens is, $-$ 0.5?
If the magnification produced by the lens is $-$0.5, the image will be real and inverted, since the magnification has a negative $(-)$ value.
Explanation
If the magnification $m$ has a positive $(+)$ value, the image will be virtual and erect. And, if the magnification $m$ has a negative $(-)$ value, the image will be real and inverted.
Since a convex lens can form virtual images as well as real images, therefore the magnification produced by a convex lens can be either negative $(-)$ or positive $(+)$.
While a concave lens, forms only virtual images, so the magnification produced by a concave lens is always positive $(+)$.
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