Question

the impression of an image persists therefore about ------------- of a second

Answer 1

An image stays on the retina for
about 1/16 of a second. This feature
is called persistence of vision . Due to
this, when many still images are
shown in a sequence; they give the
illusion of moving images. Movies
and animation are made by
exploiting this property of the human
eye.

hope this help!!!!!!!!!!!!!!!!

Answer 2

The impression of the image persists therefore about 1/16th of a second.