Albert is nearsighted, and without his eyeglasses he can focus only on objects less than 2.2 m

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Albert is nearsighted, and without his eyeglasses he can focus only on objects less than 2.2 m away.

(a) Are Albert's eyeglasses concave or convex? Explain.

(b) To correct Albert's nearsightedness, his eyeglasses must produce a virtual, upright image at a distance of 2.2 m when viewing an infinitely distant object. What is the focal length of Albert's eyeglasses?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 12:24 PM

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Albert is nearsighted, and without his eyeglasses he can focus only on objects less than 2.2 m

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