Two lenses, of focal lengths 3.1 cm and 28.0 cm, are used to build a small telescope.?

Two lenses, of focal lengths 3.1 cm and 28.0 cm, are used to build a small telescope.
(a) Which lens should be the eyepiece?
28.0 cm
3.1 cm

(b) What is the angular magnification?

(c) How far apart are the two lenses in the telescope?
cm

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