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Homework 13-problems

# Homework 13-problems - gonzales(pag757 Homework 13...

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gonzales (pag757) – Homework 13 – Hoffmann – (56745) 1 This print-out should have 26 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points The magnification produced by a converging lens is found to be 3 . 2 for an object placed 18 cm from the lens. What is the focal length of the lens? Answer in units of cm. 002 (part 1 of 3) 10.0 points A real object is located 23 . 5 cm from a diverg- ing lens of focal length 33 . 9 cm. What is the magnitude of the image dis- tance? Answer in units of cm. 003 (part 2 of 3) 10.0 points The image is 1. virtual, erect, and larger. 2. real, erect, and smaller. 3. virtual, erect, and smaller. 4. real, erect, and larger. 5. virtual, inverted, and smaller. 6. real, inverted, and smaller. 7. does not exist. 8. real, inverted, and larger. 9. virtual, inverted, and larger. 004 (part 3 of 3) 10.0 points What is the magnitude of the magnification of the image? 005 (part 1 of 2) 10.0 points An object located 33 . 9 cm in front of a lens forms an image on a screen 8 . 2 cm behind the lens. Find the focal length of the lens. Answer in units of cm. 006 (part 2 of 2) 10.0 points What is the magnification of the object? 007 10.0 points A concave mirror has a focal length of 36 cm. What is the position of the resulting image if the image is inverted and 7 times smaller than the object? Answer in units of cm. 008 (part 1 of 4) 10.0 points An object is placed 23 . 5 cm in front of a convex mirror of focal length 50 cm.

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