Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 39, Problem 18SP
A farsighted person wears eyeglasses that provide a dioptric power of +3.5 D. How far from his or her eyes must a book be held if it is to be read without using these glasses? Discuss your answer. [Hint: Use Eq. (38.1) and remember that the image distance must be negative. Calculate the positive focal length of the lens. With glasses an object at 25 cm appears to be at si, the near point, where it can be clearly seen by the eye.]
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Chapter 39 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 39 - 39.14 [I] Two thin lenses having focal lengths of...Ch. 39 - 39.15 [I] A farsighted person who needs glasses...Ch. 39 - 39.16 [I] A farsighted person who needs glasses...Ch. 39 - Prob. 17SPCh. 39 - 39.18 [I] A farsighted person wears eyeglasses...Ch. 39 - Prob. 19SPCh. 39 - Prob. 20SPCh. 39 - 39.21 [II] A nearsighted man cannot see objects...Ch. 39 - 39.22 [II] A projection lens is employed to...Ch. 39 - 39.23 [II] A camera gives a life-size picture of a...
Ch. 39 - 39.24 [II] What is the maximum stop rating of a...Ch. 39 - Prob. 25SPCh. 39 - Prob. 26SPCh. 39 - 39.27 [II] In a compound microscope, the focal...Ch. 39 - 39.28 [II] A refracting astronomical telescope has...Ch. 39 - 39.29 [III] The large telescope at Mt. Palomar has...Ch. 39 - 39.30 [II] An astronomical telescope with an...Ch. 39 - 39.31 [II] A lens combination consists of two...Ch. 39 - 39.32 [II] Two lenses, of focal lengths +6.0 cm...Ch. 39 - 39.33 [II] A telephoto lens consists of a positive...Ch. 39 - 39.34 [II] An opera glass has an objective lens of...Ch. 39 - Prob. 35SPCh. 39 - Prob. 36SP
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