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Q.

Is it true that the least distance of distinct vision is the minimum distance of an object from the eyes of a normal person so that it can be seen most clearly and distinctly without any strain on the eye?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
“The minimum distance of an object from the eyes at which it can be seen most clearly and distinctly without any strain on the eye is called the least distance of distinct vision”.  For a person with normal vision, least distance of distinct vision is about 25 cm and it is denoted by the symbol D. If an object is 25 cm away from a normal person, that object can be viewed without any strain on the eyes.
 
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