R

Ram Sharma • 193.88K Points
Coach Physics

Q. 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 iris is unable to dilate the pupil immediately SOUND
  • (B) The iris is unable to contract the pupil immediately
  • (C) The eye muscles cannot immediately change the focal length of the eye lens
  • (D) The retina retains the bright images for some time and becomes momentarily insensitive
  • Correct Answer - Option(A)
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  • Filed under category Physics

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