👉 Light particles, or photons, are fundamental components of electromagnetic radiation and are considered the smallest units of light. These particles exhibit both wave-like and particle-like properties, a concept central to quantum mechanics. Photons carry energy and momentum, with their energy directly proportional to their frequency, as described by Planck's equation (E = hν). They travel at the speed of light in a vacuum, approximately 299,792 kilometers per second, and are massless. In an organized context, particles like photons are studied within quantum field theory and quantum electrodynamics, which explore how they interact with matter and other fundamental forces. These interactions are crucial for understanding phenomena such as the photoelectric effect, where light can eject electrons from materials, and the behavior of light in various media, including absorption, reflection, and refraction.
