The minimum distance of clear vision for a normal healthy eye of human being is supposed to be

(a) 50 cm
(b) 10 cm
(c) 15 cm
(d) 25 cm

Anurag Mishra Professor Asked on 21st March 2016 in General Knowledge.
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    Answer: (d) 25 cm 

    Anurag Mishra Professor Answered on 21st March 2016.
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