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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker
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IP Referring to Example An object is 4.5 cm in front of

Chapter 26, Problem 129IP

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QUESTION:

IP Referring to Example 26–3 An object is 4.5 cm in front of the mirror. (a) What radius of curvature must the mirror have if the image is to be 2.2 cm in front of the mirror? (b) What is the magnification of the image? (c) If the object is moved closer to the mirror, does the magnification of the image increase in magnitude, decrease in magnitude, or stay the same?

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QUESTION:

IP Referring to Example 26–3 An object is 4.5 cm in front of the mirror. (a) What radius of curvature must the mirror have if the image is to be 2.2 cm in front of the mirror? (b) What is the magnification of the image? (c) If the object is moved closer to the mirror, does the magnification of the image increase in magnitude, decrease in magnitude, or stay the same?

ANSWER:

Step 1 of 4

(a)

In the reference example, if an object is at in front of the mirror. We need to determine the radius of curvature of the mirror in order to have the image at in front of the mirror.

In order to calculate the radius of curvature of the mirror, first we need to calculate the focal length of the mirror.

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