A beamer contains a converging lens that magnifies the image of an LCD 3.8 times and projects

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A beamer contains a converging lens that magnifies the image of an LCD 3.8 times and projects it on a screen at a distance of 6.5 m from the LCD. What is the focal length of the lens? Select the correct answer from the following list:

a) 10.7 dm
b) -31.5 dm
c) .107 m
d) -.315 m

Related Book For answer-question

Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

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Posted Date: Apr 29, 2020 04:13 AM

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A beamer contains a converging lens that magnifies the image of an LCD 3.8 times and projects

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Physics Principles with Applications

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