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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 21
Q

A shaving or makeup mirror is designed to magnify your face by a factor of 1.40 when your face is placed 20.0 cm in front of it.

  1. What type of mirror is it?
  2. Describe the type of image that it makes of your face.
  3. Calculate the required radius of curvature for the mirror.
A
  1. concave mirror
  2. virtual upright image
  3. 1.40 m
Giancoli 7th Edition, Chapter 23, Problem 21 solution video poster
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