|
|
Keywords:
Converging,
Diverging,
Rays,
Emanating,
Intersection
An aggregate or collection of rays of light, especially when diverging from, or converging to, a point.
A number of lines that intersect in one point, the point of intersection being called the pencil point.
a figure formed by a set of straight lines or light rays meeting at a point
a collection of converging, or diverging rays
A group of light rays emanating from a point or converging to a point.
|