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Question: 

An astronomical telescope has its two lenses spaced 82.0 cm apart. If the objective lens has a focal length of 78.5 cm, what is the magnification of this telescope? Assume a relaxed eye.

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

-22X

Giancoli 7th Edition, Chapter 25, Problem 35

(1:28)

Chapter 25, Problem 35 is solved.

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