Yes, particles can refract under certain conditions. Refraction is the bending of waves, including light and other types of waves, as they pass from one medium to another. This phenomenon occurs due to a change in the speed of the wave as it crosses the boundary between the two mediums.
In the case of light, which consists of particles called photons, it exhibits both particle-like and wave-like properties. When light passes from one medium to another, such as from air to water or from air to glass, it can experience refraction. The change in speed of light as it enters a different medium causes the light wave to change direction, resulting in the bending of the path of the light.
Similarly, other types of particles, such as electrons, can also experience refraction under certain circumstances. For example, in the field of solid-state physics, electron waves can undergo refraction as they pass through different materials or encounter interfaces between different regions within a material.
It's important to note that the concept of refraction is typically associated with wave-like behavior rather than solely with particles. However, since particles like photons and electrons can exhibit wave-particle duality, they can demonstrate refractive behavior in specific contexts.