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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
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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 28
Q

A flashlight beam strikes the surface of a pane of glass (n = 1.56) at a 67∘67 ^\circ angle to the normal. What is the angle of refraction?

A
36∘36^\circ
Giancoli 7th Edition, Chapter 23, Problem 28 solution video poster
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COMMENTS
By emma.katanov on Mon, 5/6/2024 - 8:30 PM

how do you know that 1 is the normal?

By emma.katanov on Mon, 5/6/2024 - 8:30 PM

how do you know that 1 is the normal?

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