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Q.

Is it true that eye can see sensation of an image for 1/8 seconds after removing the object from the sight of the eye?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is False.
As interpreted by the brain, the sensation of an image persists for a small interval of about 1/16 seconds, even after the object is removed. The ability of the eye to continue to see the image for a short duration is known as the persistence of vision. So we can say, "Persistence of vision is an optical illusion that happens when visual perception of an object continues after the light rays emanating from it have stopped entering the eye.” Television works on this principle.
The correct statement would be that the eye can see the sensation of an image for 1/16 seconds after removing the object from the sight of the eye.
 
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