Physics, Books a la Carte Plus Mastering Physics with Pearson eText -- Access Card Package (5th Edition)

5th Edition

ISBN: 9780134032610

Author: James S. Walker

Publisher: PEARSON

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Textbook Question

Chapter 27, Problem 27PCE

BIO Predict/Calculate Diopter Change in Diving Cormorants Double-crested cormorants (Phalacrocorax auritus) are extraordinary birds—they can focus on objects in the air, just like we can, but they can also focus underwater as they pursue their prey. To do so, they have one of the largest accommodation ranges in nature—that is, they can change the focal length of their eyes by amounts that are greater than is possible in other animals. When a cormorant plunges into the ocean to catch a fish, it can change the refractive power of its eyes by about 45 diopters, as compared to only 16 diopters of change possible in the human eye (a) Should this change of 45 diopters be an increase or a decrease? Explain. (b) If the focal length of the cormorant s eyes is 4.2 mm before it enters the water what is the focal length after the refractive power changes by 45 diopters?

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Chapter 27, Problem 26PCE

Chapter 27, Problem 28PCE

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Chapter 27 Solutions

Physics, Books a la Carte Plus Mastering Physics with Pearson eText -- Access Card Package (5th Edition)

Ch. 27.1 - If the f -number on a camera is increased does the...Ch. 27.2 - Prob. 2EYU Ch. 27.3 - A magnifying glass is held over a ruled piece of...Ch. 27.4 - Rank the following microscopes in order of...Ch. 27.5 - In a typical telescope, is foppose greater than,...Ch. 27.6 - One advantage of reflecting telescopes over...Ch. 27 - Prob. 1CQ Ch. 27 - Prob. 2CQ Ch. 27 - If your near-point distance is N, how close can...Ch. 27 - When you open your eyes underwater, everything...

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