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MCQBeginnerLight, Radiation & Spectroscopy

IAAC — 2021 Final Round

Question 22

You are given a list of stars and their apparent magnitude. Which one is the faintest star?

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Source

Source: International Astronomy and Astrophysics Competition (IAAC), Final Round 2021. Question wording and answer-choice text are transcribed from the official training PDF; the explanation and metadata are original.