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What is quantum physics

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Answer:

Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.

Step-by-step explanation:

User Ardeshir Izadi
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Quantum Physics: The branch of physics concerned with quantum theory.

Quantum Theory: A theory of matter and energy based on the concept of quanta, especially quantum mechanics.
User Tuno
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