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Question
A 7.5x binocular produces an angular magnification of -7.50, acting like a telescope. (Mirrors are used to make the image upright.) If the binoculars have objective lenses with a 75.0 cm focal length, what is the focal length of the eyepiece lenses?
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Final Answer
10.0 cm
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OpenStax College Physics Solution, Chapter 26, Problem 37 (Problems & Exercises) (0:35)

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