Articles relating to shadows, dark (real image) areas where light from a light source is blocked by an opaque object. They occupy all of the three-dimensional volume behind an object with light in front of it. The cross section of a shadow is a two- dimensional silhouette, or a reverse projection of the object blocking the light.
This category has the following 3 subcategories, out of 3 total.
The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes.