An amateur astronomer decides to build a telescope from a
Chapter , Problem 100(choose chapter or problem)
An amateur astronomer decides to build a telescope from a discarded pair of eyeglasses. One of the lenses has a refractive power of 11 diopters, and the other has a refractive power of 1.3 diopters. (a) Which lens should be the objective? (b) How far apart should the lenses be separated? (c) What is the angular magnifi cation of the telescope?
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