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IB Physics HL E 2 5 Hl Matter Wave Particle Duality Questions

Explain HL matter-wave and particle duality, relating electron localization, de Broglie waves and the evidence from quantum experiments.

Syllabus
First assessment 2025
Course
Physics HL
Level
HL

Exam points

  • Analyse de Broglie matter waves and their relation to Bohr atomic orbits.
  • Use electron observations to distinguish wave and particulate properties.
  • Evaluate wave–particle duality across electrons and photons.

IB Physics HL E 2 5 Hl Matter Wave Particle Duality Questions question 1

[Maximum number: 2]

This question is in two parts. Part 1 is about momentum and energy. Part 2 is about the de Broglie hypothesis and radioactive decay.

Describe the de Broglie hypothesis.

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