8th Class Science Light Question Bank Light

  • question_answer
    A series of fast moving still pictures can create an illusion of movement. Why?

    A)  The eye can focus on very rapidly changing pictures.

    B)                         The eye is quicker than the brain.

    C)                         The eye can separate two images only when the interval of separation between them is one-sixteenth of a second.

    D)                         The optical cortex can see through the rapidly moving images.

    Correct Answer: C

    Solution :

    A series of fast moving still pictures can create an illusion of movement as the eye can separate two images only when the interval of separation between them is one-sixteenth of a second. This happens due to a phenomenon called persistence of vision.


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