A nearsighted person wears contact lenses of refractive power -6.0 D. What is her far point?
17 cm
6.0 cm
-17 cm
-4.0 cm
-6.0 cm
focal length of the lens, f = -(1/P) = -(1/(-6)) m = (100/6) cm = 16.67 cm =17 cm (approx)
The far point of the person is 17.0 cm
Option (i) is the correct choice.
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