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Giancoli's Physics: Principles with Applications, 7th Edition
23
Light: Geometric Optics
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23-2: Reflection; Plane Mirrors
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23-3: Spherical Mirrors
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23-4: Index of Refraction
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23-5: Refraction; Snell's Law
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23-6: Total Internal Reflection
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23-7 and 23-8: Thin Lenses
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23-9: Lens Combinations
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23-10: Lensmaker's Equation
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 48
Q

It is desired to magnify reading material by a factor of 3.0×3.0 \times when a book is placed 9.0 cm behind a lens.

  1. Draw a ray diagram and describe the type of image this would be.
  2. What type of lens is needed?
  3. What is the power of the lens in diopters?
A
  1. see video
  2. convex
  3. 7.4 D
Giancoli 7th Edition, Chapter 23, Problem 48 solution video poster
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