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15.1 Quantum Theory

Part of Modern Physics in AP® Physics 2: Algebra-Based. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

Quantum Theory

Quantum Theory is a relatively new theory, starting in the 1900s, which sought to explain physical phenomena that couldn’t be explained through previous physics knowledge at the time. Quantum Theory is most often used to describe physics that occurs at an atomic and subatomic scale. All of Unit 7: Modern Physics, will be based on Quantum Theory.

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