W11Physics1CLec26Bfkw

W11Physics1CLec26Bfkw - Physics 1C Lecture 26B Quiz Grades...

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Physics 1C Lecture 26B Quiz Grades for Quiz 2 are now online. Avg is again 67% Same as for Quiz 1.
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FLT: Spherical Mirrors Example A convex spherical mirror of radius of curvature R = 20.0cm produces an upright image precisely one-quarter the size of an object, a candle. What is the separation distance between the object and its image? Answer The separation distance is 7.5cm. The real object is to the left of the mirror. The virtual image is to the right.
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Spherical Mirrors Answer The ray diagram for a *similar* setup looks like: The object is in front of the convex mirror The image is virtual, upright, and smaller than the object (reduced).
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Convex Mirrors A convex mirror is sometimes referred to as a diverging mirror. The rays from any point on the object diverge after reFection as they were coming from some point behind the mirror. The image is virtual because it lies behind the mirror at the point where the reFected ray appear to originate. In general (not every case), the image formed by a convex mirror is upright, virtual, and diminished.
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Converging Lenses What if we wanted to use refraction to converge parallel light rays to a single focal point? What type of shape should we use? Recall our prism example: What happened when we Fipped the prism? A parallel light ray was pushed downward. A parallel light ray was pushed upward.
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Converging Lenses This is the basis behind constructing different types of lenses for distorting light. We can construct the following lens: This is known as a converging lens.
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This note was uploaded on 01/30/2012 for the course PHYS 1C 1C taught by Professor Wethien during the Spring '11 term at UCSD.

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W11Physics1CLec26Bfkw - Physics 1C Lecture 26B Quiz Grades...

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