21.17 An overhead projector with a lens of 35.6 cm focal length is used to throw an image on a screen 1.80 m away. If you consider the lens to be a thin lens, how far is the slide from the lens when the image is in focus? What is the magnification in this setup? Work this problem by ray tracing.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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21.17 An overhead projector with a lens of 35.6 cm focal
length is used to throw an image on a screen 1.80 m
away. If you consider the lens to be a thin lens, how
far is the slide from the lens when the image is in
focus? What is the magnification in this setup?
Work this problem by ray tracing.
Transcribed Image Text:21.17 An overhead projector with a lens of 35.6 cm focal length is used to throw an image on a screen 1.80 m away. If you consider the lens to be a thin lens, how far is the slide from the lens when the image is in focus? What is the magnification in this setup? Work this problem by ray tracing.
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