A convex lens is held over a piece of paper outdoors on a sunny day. When the

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A convex lens is held over a piece of paper outdoors on a sunny day. When the paper is held 26 cm below the lens, the sunlight is focused on the paper and the paper ignites. What is the focal length of the lens?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 12:23 PM

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A convex lens is held over a piece of paper outdoors on a sunny day. When the

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