Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
23
Light: Geometric Optics
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23-2: Reflection; Plane Mirrors
23-3: Spherical Mirrors
23-4: Index of Refraction
23-5: Refraction; Snell's Law
23-6: Total Internal Reflection
23-7 and 23-8: Thin Lenses
23-9: Lens Combinations
23-10: Lensmaker's Equation

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 17
Q

You look at yourself in a shiny 8.8-cm-diameter Christmas tree ball. If your face is 25.0 cm away from the ball’s front surface, where is your image? Is it real or virtual? Is it upright or inverted?

A
2.0 cm behind the surface, making it a virtual image. It is upright.
Giancoli 7th Edition, Chapter 23, Problem 17 solution video poster
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