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Solution


Q.

If a person can see a doll at the far distance, but he cannot read the newspaper in his hands. What lens should he wear to make correct his eyesight
1 Convex lens  
2 Concave lens  
3 Bi-focal lens  
4 Prism  

Ans.

(1)

If a person is unable to read a newspaper, this means the person can’t see the nearby objects. Thus, he is suffering from hypermetropia and it can be treated by using a pair of convex lenses.