AP®︎ Physics 2 Unit 15: Notes & Study Guide
Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 15 of AP Physics 2 – Modern Physics.
Unit 15: Modern Physics
How quantum mechanics, wave-particle duality, and nuclear physics resolve questions that classical physics could not.
Begin with Topic 15.1: Quantum Theory and Wave-P...To review Unit 15, go through each of the 8 topics below.
Everything you actually need to know for your Unit 15 test, pulled directly from the AP® Physics 2 curriculum.
Quantum Theory and Wave-Particle Duality
Quantum Theory and Wave-Particle Duality
- What quantum theory says about matter and light
- Light as photons
- Matter as waves
The Bohr Model of Atomic Structure
The Bohr Model of Atomic Structure
- What an Atom Is
- The Bohr Model
- Electric Force Provides Centripetal Force
Emission and Absorption Spectra
Emission and Absorption Spectra
- What Atomic Energy Levels Are
- How Atoms Absorb and Emit Photons
- Emission Spectra vs. Absorption Spectra
Blackbody Radiation
Blackbody Radiation
- What Blackbody Radiation Is
- The Blackbody Spectrum and Why Classical Physics Failed
- Wien’s Law
The Photoelectric Effect
The Photoelectric Effect
- What the Photoelectric Effect Is
- Threshold Frequency and Work Function
- The Photoelectric Equation and Electron Energy
Compton Scattering
Compton Scattering
- What Compton Scattering Is
- The Photon–Electron Collision Model
- The Compton Wavelength Equation
Fission, Fusion, and Nuclear Decay
Fission, Fusion, and Nuclear Decay
- What Governs Nuclear Reactions
- Binding Energy and Why Energy Is Released
- Fusion and Fission
Types of Radioactive Decay
Types of Radioactive Decay
- What Radioactive Decay Is
- Particles Emitted in Radioactive Decay
- The Four Types of Radioactive Decay
Notes
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