AP Physics 2

Unit 15 Modern Physics

8 topics · 137 questions, each explained

1. 15.1 Quantum Theory and Wave-Particle Duality 5 ideas · 19 questions

   Classical physics · Photon · Photon speed and the medium · Matter wave · Bound system and quantized energy

2. 15.2 The Bohr Model of Atomic Structure 3 ideas · 19 questions

   Atom · Element · Bohr model

3. 15.3 Emission and Absorption Spectra 5 ideas · 21 questions

   Photon energy, E · Energy state (energy level) · Transition · Line spectrum · Ionization

4. 15.4 Blackbody Radiation 3 ideas · 11 questions

   Thermal radiation · Blackbody · Continuous spectrum

5. 15.5 The Photoelectric Effect 3 ideas · 13 questions

   Photoelectric effect · Threshold frequency, f₀ · Work function, ϕ

6. 15.6 Compton Scattering 3 ideas · 10 questions

   Compton scattering · Compton scattering as evidence for photons · Compton shift, Δλ

7. 15.7 Fission, Fusion, and Nuclear Decay 11 ideas · 26 questions

   Nucleon · Nucleon number, A · Conservation of energy and momentum in nuclear reactions · Mass–energy equivalence, E = mc² · Forms of the energy released · Nuclear fusion · Nuclear fission · Binding energy · Radioactive decay · Exponential decay law, N = N₀e^−λt · Range of half-lives

8. 15.8 Types of Radioactive Decay 3 ideas · 18 questions

   Radioactive decay · Types of radioactive decay · Isotopes and decay type

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