Lecture16 - ANNOUNCEMENTS Tycho#5 Due Tomorrow Night WebAssign#5 Due Friday More Tycho WebAssign Will Be Posted This Weekend Exam#2 This Friday in

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ANNOUNCEMENTS Tycho #5 Due Tomorrow Night WebAssign #5 Due Friday More Tycho & WebAssign Will Be Posted This Weekend Exam #2 This Friday in Class. Bring a Small Plastic Ruler in Addition to Your Usual Bubble Sheet, Pencils & Calculator Watch for New Surveys on the Class Web Page After the Exam
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MAGNIFICATION revisited Single Lens or Mirror m = h i / h o = -d i / d o (Negative m Inverted Image) Combinations of Lenses / Mirrors m = m 1 * m 2 * … Angular Magnification M = θ / θ Again M’s Are Multiplied for Combined Lenses or Mirrors Special Case Formulae in Text
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Q1: Using a Simple Magnifier, Which Choice Produces a Larger Image? Object Located … A. At Infinity B. At the Near Point C. At the Focal Point D. Inside the Focal Point E. All Are the Same
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MAGNIFYING GLASS Image @ Infinity: 1/d o + 1/ -∞ = 1/f d o = f Image @ Near Pt: 1/d o + 1/ - N = 1/f d o = f N / (N+f) θ = h o / f θ = h o / N N h o θ = h o / N N h o θ = h o / d o
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RAYS, HOLES,
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This note was uploaded on 06/07/2009 for the course PHYS 123 taught by Professor Boynton during the Spring '09 term at University of Washington.

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Lecture16 - ANNOUNCEMENTS Tycho#5 Due Tomorrow Night WebAssign#5 Due Friday More Tycho WebAssign Will Be Posted This Weekend Exam#2 This Friday in

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