A person needs a lens of power 2.5 D for correction of her vision. Then
(i) Focal length of the lens is 40 cm
(ii) Focal length of the lens is - 40 cm
(iii) Nature of the lens is concave
(iv) Nature of the lens is convex
(v) She is suffering from myopia
(A) Only (i) and (iv) are correct.
(B) Only (ii) and (iii) are correct.
(C) Only (i), (iii) and (v) are correct.
(D) Only (i) and (v) are correct
