10_Chapter 23 HomeworkCH23 Mirrors and Lenses

10_Chapter 23 HomeworkCH23 Mirrors and Lenses - 276 CHAPTER...

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276 CHAPTER 23 23.13 The image is upright, so 0 M > , and we have 2.0 q M p =− =+ , or ( ) 2.0 2.0 25 cm 50 cm qp = −= = The radius of curvature is then found to be 211 1 25 c Rpq 1 21 m 50 cm m 50 c =+= = , or 0.50 m 2 1.0 m +1 R  ==   23.14 The ball is a convex mirror with 4.25 cm 2 diameter R Recall that a convex mirror can form only upright virtual images of real objects. Hence,
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