The Vault
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Physics
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DP Physics
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Theme E
IB DP Physics · Theme E
Nuclear and Quantum Physics
From atomic structure to the birth and death of stars
E.1 · SL 6h + HL 3h
Structure of the Atom
Rutherford scattering. Nuclear notation. Atomic spectra and energy levels. Bohr model for hydrogen (HL).
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E.2 · HL only · 8 hours
Quantum Physics
Photoelectric effect. Wave-particle duality. de Broglie wavelength. Heisenberg uncertainty principle. Compton scattering.
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E.3 · SL 7h + HL 5h
Radioactive Decay
Binding energy and mass defect. E = mc². Alpha, beta, and gamma decay. Half-life. Radiation safety.
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E.4 · SL + HL · 4 hours
Fission
Nuclear fission. Chain reactions. Reactor design: control rods, moderators, heat exchangers, shielding.
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E.5 · SL + HL · 6 hours
Fusion and Stars
Nuclear fusion in stars. Stellar evolution. The HR diagram. Stellar parallax. Luminosity and star classification.
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