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Unformatted text preview: Create assignment, 57112, Homework 20, Sep 01 at 2:30 pm 1 This print-out should have 16 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. Covers 34.5-34.8 Converging Lens 36:08, trigonometry, numeric, > 1 min, nor- mal. 001 The magnification produced by a converging lens is found to be 2 . 2 for an object placed 18 cm from the lens. What is the focal length of the lens? An- swer in units of cm. Diverging Lens 36:08, trigonometry, numeric, > 1 min, nor- mal. 002 A real object is located 20 cm from a di- verging lens of focal length 32 cm. Please remember to consider the sign of the magni- fication or image distance for the second part of this problem only. For this reason, it is recommended that you take care to solve all three parts, keeping careful track of sign, but then consider only magnitude for the first and third parts. What is the magnitude of the image dis- tance? Answer in units of cm. 003 The image is 1. virtual, erect, and smaller. 2. virtual, erect, and larger. 3. virtual, inverted, and smaller. 4. virtual, inverted, and larger. 5. real, erect, and smaller. 6. real, erect, and larger. 7. real, inverted, and smaller. 8. real, inverted, and larger. 9. does not exist. 004 What is the magnitude of the magnification of the image? Add a Second Lens 04 36:09, trigonometry, multiple choice, > 1 min, wording-variable. 005 Hint: Construct a ray diagram....
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This note was uploaded on 11/12/2009 for the course PHY 303L taught by Professor Turner during the Spring '08 term at University of Texas.
- Spring '08