(II) An astronomical telescope longer than about 50 cm
Chapter , Problem 69(choose chapter or problem)
(II) An astronomical telescope longer than about 50 cm isnot easy to hold by hand. Based on this fact, estimate themaximum angular magnification achievable for a telescopedesigned to be handheld. Assume its eyepiece lens, if usedas a magnifying glass, provides a magnification of 5X for arelaxed eye with near point N = 25 cm.
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