Question

aprature defination​

Answer 1

$\huge\tt{Aprature}$

✒ In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane.

Answer 2

$\huge\star\mathcal{Aperture}$

★ An aperture is a hole or an opening through which light travels.

$\huge\dag$ More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane.

$\huge\dag$ An optical system typically has many openings or structures that limit the ray bundles.