A) myopia, convex, 60 cm
B) myopia, concave, 60 cm
C) hypermetropia, concave, 60 cm
D) contract, convex, 60 cm
Correct Answer: B
Solution :
Range of vision for healthy eye is 25 cm to \[\infty .\]If the person can see clearly only upto a maximum distance of 60 cm. He is suffering from myopia. A short sighted eye can see only nearer objects. This defect can be removed by using a concave lens of suitable focal length\[f=60\,cm.\]
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