why we observe black around us when we enter home after sun exposure?

Asked by  | 9th May, 2008, 03:59: PM

Expert Answer:

When we are in the sun the aperture of the eye which is  called pupil becomes smaller so that we should receive small amount of light due to high intensity of light. So when we enter in a room the aperture of the eye is still small therefore the light which is entred in the eye is less hence the we feel dark in the room.....

Answered by  | 23rd May, 2008, 10:05: PM

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