Question

define persistence of vision

Answer 1

the ability of human eye to continue to see the image of an object for a short duration even after the removal of the object is called persistence of vision.
the image that we ve seen remains in our brain for 1/16th of a second

Answer 2

the impression of an image on the retina persist there for about 1/16th of a second. this is called persistence of vision. we see a moving image because of the persistence of vision