The magnifying power of telescope is high if [MP PET 2009] (a) Both objective and eye-piece have...

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The magnifying power of telescope is high if [MP PET 2009]
(a) Both objective and eye-piece have short focal length
(b) Both objective and eye-piece have long focal length
(c) The objective has a long focal length and the eye piece has a short focal length
(d) The objective has a short focal length and the eye piece has a long focal length
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