Why does it happens as when there is no souce of light and nothing is visible.Then after some time,things are visible in darkness also.......
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Why does it happens as when there is no souce of light and nothing is visible.Then after some time,things are visible in darkness also.......
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Answer:
it happens due to dark adaptation of light
Explanation:
at first when cannot see because the pupil size is small and that lityle light cannot enter but after sometime the pupil expands allowing more light to enter and there is a regeneration of rhodopsin which helps ys to see