Question

what is presistance of vision?

Answer 1

Your brain retain the images of objects when u blink ur eyes. It is called persistence of vision.

Answer 2

the time uptill which the eyes can quickly note and send the image to occipetal lobe of the brain..in a real and inverted form(eye lens is convex)..is called persistance of vision..
the time is 1/10 th of a second