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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker
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BIO Tire eye is actually a multiple-lens system, but we

Chapter 27, Problem 89GP

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QUESTION:

Problem 89GP

BIO Tire eye is actually a multiple-lens system, but we can approximate it with a single-lens system for most of our purposes. When the eye is focused on a distant object, the optical power of the equivalent single lens is +41.4 diopters. (a) What is the effective focal length of the eye? (b) How far in front of the retina is this “equivalent lens” located?

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QUESTION:

Problem 89GP

BIO Tire eye is actually a multiple-lens system, but we can approximate it with a single-lens system for most of our purposes. When the eye is focused on a distant object, the optical power of the equivalent single lens is +41.4 diopters. (a) What is the effective focal length of the eye? (b) How far in front of the retina is this “equivalent lens” located?

ANSWER:

Step 1 of 3

(a)

Here we need to find the effective focal length of the human eye. The refractive power of the eye is given to be .

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