A slide projector has a lens of focal length 12 cm. Each slide is 24 mm by

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A slide projector has a lens of focal length 12 cm. Each slide is 24 mm by 36 mm (see the figure with Problem 16). The projector is used in a room where the screen is 5.0 m from the projector. How large must the screen be?
A slide projector has a lens of focal length 12
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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