College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 25, Problem 45PE
A camera lens used for taking close-up photographs has a focal length of 22.0 mm. The farthest it can be placed from the film is 33.0 mm. (a) What is the closest object that can be photographed? (b) What is the magnification of this closest object?
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A camera lens used for taking close-up photographs has a focal length of 25.0 mm. The farthest it can be placed from the film is 34.5 mm.
(a)
What is the closest object (in mm) that can be photographed?
(b)
What is the magnification of this closest object?
A camera lens used for taking close-up photographs has a focal length of 28.4 mm. The farthest it can be placed from the film is 24mm.
Part (a) What is the closest object that can be photographed in mm?
Part (b) What is the magnification of this closest object?
Part (c) What is the power of the lens?
A camera lens used for taking close-up photographs has a focal length of 25.0 mm. The farthest it can be placed from the film is 30.0 mm.
(a) What is the closest object (in mm) that can be photographed?
ANS: ___ mm
What is the magnification of this closest object?
ANS: _____ X
Chapter 25 Solutions
College Physics
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Convex and Concave Lenses; Author: Manocha Academy;https://www.youtube.com/watch?v=CJ6aB5ULqa0;License: Standard YouTube License, CC-BY