If the screen is moved farther from a slide projector, how should the projectors lens be moved

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If the screen is moved farther from a slide projector, how should the projector’s lens be moved to restore the image to a sharp focus?

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The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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Question Posted: Jan 08, 2019 12:57 PM

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If the screen is moved farther from a slide projector, how should the projectors lens be moved

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The Physical Universe

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