Fa08_7C_5

Fa08_7C_5 - Quiz 4 Physics 7C Fall 2008 Lecture 5: Ray...

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Quiz 4
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Physics 7C Fall 2008 Lecture 5: Ray Optics Images Lens Types & Ray Tracing
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Overview of next few weeks:
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Terms in Optics Concepts: Object Image Real Virtual Upright Inverted Magnification Focus Reflection Refraction Ways to locate Image: Thin Lens Equation Image distance Object distance Sign of lens Ray Tracing Principal Rays Lens Types: Converging Diverging Convex Concave
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What phenomenon most completely describes what you are seeing? a) Refraction b) Convergence c) Divergence d) Total Internal Reflection e) Snell’s Law
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Light passes from water (n=1.3) into an unknown substance water ? At larger angles, will there be total internal reflection? a) Yes, past the critical angle b) No, not possible c) Not enough information
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Review: Light at an Interface Activity 8.6.3 & FNT 1 Incoming Ray n = 1.5 Which Ray? (a) (b) (c) Air n = 1 (d)
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Review: Light at an Interface Activity 8.6.3 & FNT 1 Incoming Ray Plastic prism n = 1.5 On leaving the prism, which way will the light bend?
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Fa08_7C_5 - Quiz 4 Physics 7C Fall 2008 Lecture 5: Ray...

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