Impression of an image persists on retina at least for
b) 1/16th of a second
d) 1/15th of a second
a) 1/12th of a second
c) 1/10th of a second
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Answer:
b) b) 1/16th of a second
An image stays on the retina for about 161 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.