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A simple magnifier is a converging lens of focal length that is:

AQuite large
BNear infinite
CFully negative
DQuite small
Answer & Solution
Correct answer: D. Quite small
1. The lens is held close to the object being viewed. 2. A short focal length gives the larger magnification. 3. So it is a converging lens of small focal length. _Source: syllabus Physics Part II, Chapter 9, Ray Optics and Optical Instruments._
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