Physics Level 12
Chapter 21 Atomic Physics
Quantum mechanics provide a a framework for explaining atomic scale phenomena, such as the photoelectric effect, the structure of atoms, and the wave-particle duality. Quantum mechanics has also led to both technological advances and new understandings of nature. For instance, it has enabled us to use nuclear energy and to perform life-saving MRIs. It also explains how the stars shine and why the northern lights occur.
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