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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
25
Optical Instruments
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25-1: Camera
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25-2: Eye and Corrective Lenses
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25-3: Magnifying Glass
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25-4: Telescopes
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25-5: Microscopes
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25-6: Lens Aberrations
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25-7 to 25-9: Resolution Limits
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25-11: X-Ray Diffraction
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25-12: Imaging by Tomography
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 41
Q

A reflecting telescope (Fig. 25–22b) has a radius of curvature of 3.00 m for its objective mirror and a radius of curvature of -1.50 m for its eyepiece mirror. If the distance between the two mirrors is 0.90 m, how far in front of the eyepiece should you place the electronic sensor to record the image of a star?

(b) the Cassegrainian focus.
Figure 25-22 (b) the Cassegrainian focus.
A
3.0 m
Giancoli 7th Edition, Chapter 25, Problem 41 solution video poster
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