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MCQBeginnerLight, Radiation & Spectroscopy
USAAAO — 2018 First Round
Question 3
What is the peak wavelength in Angstroms (Å) of electromagnetic radiation emitted by a star at a temperature of 10,000 K, assuming a blackbody spectrum? (Wien’s constant σw ≈ 2.9 × 10⁷ Å·K)
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