👉 Light particles, often referred to as photons, are fundamental models in physics that describe electromagnetic radiation. These particles are massless and travel at the speed of light in a vacuum, exhibiting both wave-like and particle-like properties, a concept central to quantum mechanics. Photons are the quanta of light energy, meaning they carry discrete packets of energy proportional to their frequency, as described by Planck's relation (E = hν). In this model, light is understood as a stream of these particles, each capable of interacting with matter through processes like absorption, emission, and scattering. This particle model is crucial in explaining phenomena such as the photoelectric effect, where light hitting a metal surface ejects electrons, and the behavior of light in optical fibers and lasers. The light-particle duality encapsulates the dual nature of light, bridging classical electromagnetism with quantum theory.
