Two thin lenses, with 1 = + 25.0 cm and 2 = - 42.5 cm, are placed

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Two thin lenses, with ƒ1 = + 25.0 cm and ƒ2 = - 42.5 cm, are placed in contact. What is the focal length of this combination?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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