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What is the nature of the image formed by a convex lens if the magnification produced by the lens is +3?
If the magnification produced by the lens is $+$3, the image will be virtual and erect, since the magnification has a positive $(+)$ 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 $(+)$.
Updated on: 10-Oct-2022
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