👉 Light particles, also known as photons, are fundamental entities that constitute electromagnetic radiation and play a crucial role in various physical phenomena. These particles are incredibly small, far smaller than atoms or molecules, and they travel at the speed of light in a vacuum, approximately 299,792 kilometers per second. Unlike matter particles, light particles do not have mass and carry no electric charge, though they can exist in forms with different energies, such as photons of various wavelengths (visible light, infrared, ultraviolet, etc.). They are essential in processes like photosynthesis, where plants use them to convert sunlight into energy, and in the operation of optical devices like lasers and fiber optics. Light particles are also central to our understanding of quantum mechanics and the behavior of light at the microscopic level, including phenomena like wave-particle duality and quantum entanglement.