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MCQBeginnerLight, Radiation & Spectroscopy
IAAC — 2023 Final Round
Question 15
About how much brighter is a star with an apparent magnitude of m = 1 compared to a star with an apparent magnitude of m = 2?
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Source
Source: International Astronomy and Astrophysics Competition (IAAC), Final Round 2023. Question wording and answer-choice text are transcribed from the official training PDF; the explanation and metadata are original.