(II) An astronomical telescope longer than about 50 cm is
Chapter 25, Problem 40P(choose chapter or problem)
Problem 40P
(II) An astronomical telescope longer than about 50 cm is not easy to hold by hand. Estimate the maximum angular magnification achievable for a telescope designed to be handheld. Assume its eyepiece lens, if used as a magnifying glass, provides a magnification of 5X for a relaxed eye with near point N = 25 cm
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