Question

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Answer 1

Answer:

14 ) because to adjust the size of pupil

1

Answer 2

Answer:

It takes time to adjust the size of pupil when we enter from a bright surrounding to a dim surrounding.

Also according to biology the chemical synthesize of rodopsin takes a while.

persistence of lens means when more number of images occurs at retina continuously.

Or it can be defined as hierarchy of disjoint upper and lower level sets of a continuous occuring image.

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