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Question

When a person walking in bright sunlight enters a dark room, he is not able to see clearly for a little while because.


A

The eye muscles cannot immediately change the focal length of the eye lens

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B

The retina retains the bright images for some time and becomes momentarily insensitive

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C

The iris is unable to contract the pupil immediately

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D

The iris is unable to dilate the pupil immediately

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Solution

The correct option is

D

The iris is unable to dilate the pupil immediately


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