February 24, 2017

Homework Help: Science

Posted by Erika on Wednesday, June 20, 2012 at 6:59pm.

When people buy astronomical telescopes, they have an option to buy a set of eyepieces to go with it. If Fred bought a telescope with an objective with a focal length of 2000 mm, and eyepieces with focal lengths of 40 mm, 16 mm, and 8 mm, then what magnifications will Fred expect from his telescope?

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