IB
IBO
Physics
May 2014
QP-201405-Physics-P1(TZ2)-SL · Question 22
Question (excerpt):
22. Which of the following provides evidence for the existence of atomic energy levels? A. Absorption spectra B. Nuclear fission C. The Geiger–Marsden experiment D. Radioactive decay
22. Which of the following provides evidence for the existence of atomic energy levels? A. Absorption spectra B. Nuclear fission C. The Geiger–Marsden experiment D. Radioactive decay
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