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MCQBeginnerLight, Radiation & Spectroscopy
IAAC — 2019 Final Round
Question 28
In astronomy, the concept of black bodies is very important to better calculate the radiation of stars. Which one is the correct definition of a black body?
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Source
Source: International Astronomy and Astrophysics Competition (IAAC), Final Round 2019. Question wording and answer-choice text are transcribed from the official training PDF; the explanation and metadata are original.