Lightis an electromagnetic radiation that is visible to the human eye, and is responsible for the sense of sight.
Quantum Physics, Astronomical Physics
physics
its physics
Physics is the science of matter and energy and of interactions between the two, grouped in traditional fields such as acoustics, optics, mechanics, thermodynamics, and electromagnetism, as well as in modern extensions including atomic and nuclear physics, cryogenics, solid-state physics, particle physics, and plasma physics
Theoretical and applied physics are two most common classifications.
You're asking about two different branches of physics. Optics is the study of light. The interaction of light with matter is more properly Solid State Physics.
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The main relevant physics in this case is reflection of light.
the physics colours are red green and blue
Variously: physics, optics, quantum mechanics, etc.
Electritity. Optics and light.
Speed of light.
ray ray
Magenta, according to physics.
Light has no mass. That's why it is called "light" (Physics joke).
Classical physics and (Quantum or modern) Physics Mechanics Thermodynamics Sound Light Optics Magnetism Electricity
Focusing or dispersing light.