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Question
What is the distance x, in centimeters, for a person with normal vision ?
What is the distance x, in centimeters, for a person with normal vision ?
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Solution
The correct option is C 25 cm
The minimum distance, at which the objects can be seen most distinctly without strain, is called the least distance of distinct vision. It is also known as the near point of eye. For a young adult, with normal vision, the near point is about 25 cm.The farthest point up to which eyes can see objects clearly is called far point of the eye. It is infinity for a normal eye. A normal eye can see objects clearly between 25 cm and infinity.
The minimum distance, at which the objects can be seen most distinctly without strain, is called the least distance of distinct vision. It is also known as the near point of eye. For a young adult, with normal vision, the near point is about 25 cm.
The farthest point up to which eyes can see objects clearly is called far point of the eye. It is infinity for a normal eye. A normal eye can see objects clearly between 25 cm and infinity.
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