What is meant by persistence of vision ? How is this property used in making films ?
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The image produced in the human eye is retained for a very short period of time after the object is removed. This phenomenon is called persistence of vision. ... This means that when you are shown still pictures of a moving object at a rate faster than 16 pictures per second, the object will appear to be moving.
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Film theorists often refer to this illusion of movement as the persistence of vision. Persistence of vision works because the human eye and brain can only process 10 to 12 separate images per second, retaining an image for up to a fifteenth of a second. ... The slot acts as a shutter momentarily freezing the image.
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