Question

the diameter of a circular outline of spherical lens is​

Answer 1

aperture

The effective diameter of the circular outline of a spherical lens is called its aperture.

Answer 2

Answer:

Aperture

Explanation:

The diameter of a circular outline of spherical lens is​ called aperture.

1. Spherical lenses are optical lenses with a curved surface that is used to diverge or converge light.
2. In actual practice it coincides with the diameter of the spherical lens.
3. Principal axis is a straight line passing through the pole, touching through the center of curvatures of the segments of the mirror.