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# Linear magnification produced by a convex lens can be:**(a)** less than 1 or more than 1.**(b) **less than 1 or equal to 1.**(c)** more than 1 or equal to 1.**(d) **less than 1, equal to 1 or more than 1.

**(d) less than 1, equal to 1 or more than 1.**

__Explanation__

Magnification formula:

$m=\frac {v}{u}=\frac {h_2}{h_1}$

where, $m$ = magnification, $v$ = image distance, $u$ = object distance, ${h_2}$ = height of image, ${h_1}$ = height of object.

From the magnification formula, it is clear that the magnification varies directly with the size of the image. The image formed by a convex lens may be smaller than, equal to, or bigger than the object, therefore, the magnification $(m)$ produced by a concave lens can be** less than 1**, equal to 1, or more than 1.

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