Is the vibration direction of light wave vector related to the vibration direction of electric field and magnetic field?
Light is electromagnetic wave, and electromagnetic wave is a statement that electric field and magnetic field intersect along space. At a certain point in space, the electric field intensity changes with time, and this electric field intensity is described by electric vector. Light waves are electromagnetic waves. In light waves, it is mainly the electric field intensity E that produces photosensitive and physiological effects. Generally, we call it e-light vector.