A person with a near-point distance of 25 cm finds that a magnifying glass gives an angular

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A person with a near-point distance of 25 cm finds that a magnifying glass gives an angular magnification that is 1.5 times larger when the image of the magnifier is at the near point than when the image is at infinity. What is the focal length of the magnifying glass?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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