# Lec27 - Final Exam Thursday from 10:20 AM to 12:20...

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12/7/10 1 Final Exam : Thursday December 16, 2010 from 10:20 AM to 12:20 PM NOTE THAT FEW EQUATIONS WILL BE GIVEN – YOU ARE REMINDED THAT IT IS YOUR RESPONSIBILITY TO CREATE WHATEVER TWO-SIDED CRIB SHEET YOU WANT TO BRING TO THIS EXAM. *Covers all readings, lectures, homework from Chapters 24 through 30 *Location: EE 129 Be sure to bring your student ID card, calculator, pencil and three one-page (two- side) crib sheet.

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12/7/10 2 Review Disclaimer: This brief review covers most but not all of the material that you are responsible for the Final that covers Chapters 24 - 30. Chapter 30 is not covered in this review. Make sure that you have read the Chapters and reviewed your homework.
12/7/10 3 Chapter 24 Geometric Optics Reflection: Refraction: i r θ = 1 1 2 2 sin sin n n = If n 1 > n 2 then θ 2 > θ 1 If n 2 > n 1 then θ 1 > θ 2 Refracted ray bends away from normal Refracted ray bends toward the normal

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12/7/10 4 Example: Snell’s Law
12/7/10 5 Chapter 24 Geometric Optics

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12/7/10 6 Chapter 24 Geometric Optics (b) Calculate the critical angle for a diamond under water. (1) 30.61 (2) 33.44
12/7/10 7 A plane mirror is a spherical mirror with an infinite radius of curvature. O Height = I Height Chapter 24 Plane Mirror

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12/7/10 8 Concave Mirror : Center of curvature is in front of mirror Field of view is smaller than for plane mirror Object Height < Image Height Convex Mirror: Center of curvature is behind mirror Field of view is larger than for plane mirror Object Height < Image Height Chapter 24: Spherical Mirrors
9 Chapter 24 Focal Points of Spherical Mirrors Concave: Parallel rays close to central axis reflect through a common point F.

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Lec27 - Final Exam Thursday from 10:20 AM to 12:20...

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