College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Textbook Question
Chapter 19, Problem 20MCQ
A nearsighted person has a near point of 20 cm and a far point of 40 cm. What refractive power lens is necessary to correct this person’s vision to allow her to see distant objects?
A. –5.0 D
B. –2.5 D
C. + 2.5 D
D. + 5.0 D
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College Physics: A Strategic Approach (3rd Edition)
Ch. 19 - On a sunny summer day, with the sun overhead, you...Ch. 19 - Suppose you have two pinhole cameras. The first...Ch. 19 - A photographer focuses his camera on his subject....Ch. 19 - The object for a magnifier is usually placed very...Ch. 19 - A nature photographer taking a close-up shot of an...Ch. 19 - The CCD detector in a certain camera has a width...Ch. 19 - All humans have what is known as a blind spot,...Ch. 19 - Suppose you wanted special glasses designed to...Ch. 19 - You have lenses with the following focal lengths:...Ch. 19 - An 8-year-old child and a 75-year-old man both use...
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