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The distance between an object and a divergent lens is m times the focal length of the lens. The linear magnification produced by the lens is (A) m (B) m 1 (C) m + 1 (D) m 1

The distance between an object and a divergent lens is m times the focal length of the lens. The linear magnification produced
by the lens is
(A) m (B) m
1
(C) m + 1 (D) m 1

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
Dear student

The answer is 1/(m+1)

Regards
Vikas TU
14149 Points
3 years ago
The magnification will be M=1/(x+1). Or in words: the magnification is the inverse of the distance of the object to its focal point (for a divergent lens in virtual space) in units of focal lengths. If x is the distance to the surface, you have to add another one focal length to get the distance to the object-related focal point (subtract one for convergent lenses and x usually being an absolute value). Then the inverse of that x+1 is the magnification.

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