How does Quantum Physics explain light?

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Quantum physics describes light as exhibiting both wave-like and particle-like properties, known as wave-particle duality. This duality allows light to interact with objects in complex ways, influencing phenomena such as reflection, refraction, and absorption. The interaction of light with matter is governed by quantum mechanics, which explains how photons can be absorbed or emitted by atoms. Understanding these interactions is crucial for advancements in technologies like lasers and quantum computing. For a deeper exploration of these concepts, refer to the linked physics FAQ.
MegaDeth
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I've gotten quite used to that light is both a wave and particle but how does it interact with objects?
 
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Thread 'One does not “prove” the basic principles of Quantum Mechanics'

I am slowly going through the book 'What Is a Quantum Field Theory?' by Michel Talagrand. I came across the following quote: One does not" prove” the basic principles of Quantum Mechanics. The ultimate test for a model is the agreement of its predictions with experiments. Although it may seem trite, it does fit in with my modelling view of QM. The more I think about it, the more I believe it could be saying something quite profound. For example, precisely what is the justification of...
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