Question

What is meant by persistence of vision? How is this property of the eyes used in films?


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Answer 1

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Question:-  What is meant by persistence of vision? How is this property of the eyes used in films?

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Answer:-

• Persistence of vision is visual phenomena where the visual image is retained in our eyes for a short period of time even though the stimulus which caused is removed from our field of vision
• This phenomena is often used is optical illusion tricks
• In films the frames appear in a fast succession and thus we feel that it is a continuous process this happens due to persistence of vision

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Answer 2

Answer:

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.