Galileo's first telescope used a convex objective lens and a concave eyepiece, as shown in FIGURE 27-29.

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Galileo's first telescope used a convex objective lens and a concave eyepiece, as shown in FIGURE 27-29. When this telescope is focused on an infinitely distant object, it produces an infinitely distant image.

(a) What is the focal length of the eyepiece of a Galilean telescope that has an objective focal length of 1.25 m and a magnification of +4.00?

(b) How far apart are the two lenses?

In figure 27-29

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 12:27 PM

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Galileo's first telescope used a convex objective lens and a concave eyepiece, as shown in FIGURE 27-29.

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Object Eyepiece Objective

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Picture the Problem A Galilean telescope is constructed with a converging lens of focal length 17 m ...View the full answer

Physics

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