Which of the following changes occur when you walk out of bright sunshine into a poorly lit room?
(a) the pupil becomes larger
(b) the lens becomes thicker
(c) the ciliary muscle relaxes
(d) the pupil becomes smaller
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Solution
the pupil becomes larger
The pupil becomes larger when you walk out of bright sunshine into a poorly lit room, to allow more light to enter the eye.
Concept: Human Eye: Structure of the Eye
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