Question

what is a focal point​

Answer 1

Answer:

Focal point :-

In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge. Although the focus is conceptually a point, physically the focus has a spatial extent, called the blur circle.

Answer 2

Answer:

Focal point: the point at which all elements or aspects converge; center of activity or attention.

Explanation:

In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge. Although the focus is conceptually a point, physically the focus has a spatial extent, called the blur circle.

Hope it helps❣️☺️