What focal length should you specify if you want a magnifying glass with angular magnification 3.2?

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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Question Posted: Feb 28, 2020 12:02 PM

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A magnifying glass with a focal length of 8.5 cm is used to read print placed at a distance of 7.5 cm. calculate (a) The position of the image; (b) The angular magnification.
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What focal length should you specify if you want a magnifying glass with angular magnification 3.2?

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Essential University Physics

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