No, a shadow does not have its own shadow. A shadow is formed when an object blocks light from a source, creating an area where light does not reach. Shadows do not emit or generate light themselves, so they cannot cast a shadow of their own.
To understand this concept, consider that shadows are created by the absence of light in a particular area. When an object blocks the path of light, it creates a region behind it where light is obstructed, resulting in a shadow being cast on a surface. The shadow itself does not have any light-emitting properties; it is simply the absence of light in that area.
Since a shadow is the absence of light, there is no light available for it to cast a shadow of its own. Shadows do not have physical substance or independent existence; they are the result of the interaction between objects, light, and the surfaces on which shadows are cast.
Therefore, while an object can cast a shadow, the shadow itself does not possess the characteristics necessary to cast a shadow of its own.