Question

what is presistence of vision?​

Answer 1

Persistence of vision traditionally refers to the optical illusion that occurs when visual perception of an object does not cease for some time after the rays of light proceeding from it have ceased to enter the eye.

Answer 2

Persistence of vision is the eye's ability to keep seeing an image of an object for a fraction of a second after the object has disappeared from view. ...

The principle of persistence of vision is used in making motion pictures and animated cartoons.