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MCQBeginnerTelescopes, Instruments & Observing
BAAO — 2022 Astronomy & Astrophysics Challenge
Question 3
A telescope with a focal length of 750 mm is used with an eyepiece. Which eyepiece focal length would give the greatest overall magnification?
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Source
Source: British Astronomy and Astrophysics Olympiad (BAAO), Astronomy & Astrophysics Challenge 2022. Question text, answer-choice text, and answer were transcribed from the official BAAO paper and solutions PDFs; the explanation and metadata are original.