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Q:

When a man enters a dark room with light, he sees nothing for some time. Later he begins to appear, because?

  • 1
    The iris of his eye shrinks
  • 2
    The iris of his eye spreads
  • 3
    The distance between the lens and retina of his eye increases
  • 4
    The length of his eye lens increases
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Answer : 1. "The iris of his eye shrinks"

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