36. IE A terrestrial telescope has three lenses: an objective, an erecting lens, and an eyepiece....
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36. IE •• A terrestrial telescope has three lenses: an objective, an erecting lens, and an eyepiece.
(a) Does the erecting lens (1) increase the magnification, (2) increase the physical length of the telescope, (3) decrease the magnification, or (4) decrease the physical length of the telescope? Explain.
(b) This terrestrial telescope has focal lengths of 40, 10, and 5.0 cm for the objective, erecting lens, and eyepiece, respectively. What is the magnification of the telescope for an object at infinity?
(c) What is the length of the telescope barrel?
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Related Book For
College Physics Essentials Electricity And Magnetism Optics Modern Physics Volume Two
ISBN: 9781032337272
8th Edition
Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou
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