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MCQIntermediateLight, Radiation & Spectroscopy
IAAC — 2021 Final Round
Question 19
A fast travelling spaceship has a Lorentz factor of γ = 3. This corresponds to a velocity v of ...
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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. Needs mathematical/answer-key review: the printed official key marks A, while the displayed Lorentz-factor relation appears to support C.