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Question

Magnification produced by a concave lens is always:
(a) more than 1
(b) equal to 1
(c) less than 1
(d) more than 1 or less than 1


Solution

  (c) Less than 1:

    Magnification =size of the imagesize of the object

 From the formula, it is clear that the magnification varies directly with the size of the image. The image formed by a concave mirror is always smaller than the size of the object. Therefore, the magnification of a concave mirror is always less than 1.

Science
Lakhmir Physics 2013
Standard X

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