1. A simple camera consists of a thin positive lens which casts a real image on the film plane. Suppose that the lens has a 50 mm focal length. (a) How far from a 1 m tall object must the camera be if the image is to appear 25 mm high? (b) How far will the lens be from the film plane?

1. A simple camera consists of a thin positive lens which casts a real image on the film plane. Suppose that the lens has a 50 mm focal length. (a) How far from a 1 m tall object must the camera be if the image is to appear 25 mm high? (b) How far will the lens be from the film plane?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter26: Image Formation By Mirrors And Lenses

Section: Chapter Questions

Problem 40P

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1. A simple camera consists of a thin positive lens which casts a real image on the film plane.
Suppose that the lens has a 50 mm focal length. (a) How far from a 1 m tall object must
the camera be if the image is to appear 25 mm high? (b) How far will the lens be from the
film plane?

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