Shadows are very rarely completely black as there are usually reflections off surfaces and other light sources, which make their way into the shadowy area. As to why black is the absence of light, it just is and we have to accept that. read more
A shadow is the absence, or near absence of light. This phenomenon is usually perceived as black, or nearly black. read more
Best Answer: Shadows A shadow is caused by an object blocking light so that it doesn't reach a surface. The area in shadow appears black because there is no light falling on it -- it appears dark. In fact, most shadows aren't totally black, because light usually bounces around the obstruction off other objects (indirect lighting). read more