A nearsighted woman has a far point located 2.00 m from one eye. (a) If a corrective

Question:

A nearsighted woman has a far point located 2.00 m from one eye.
(a) If a corrective lens is worn 2.00 cm from the eye, what would be the necessary power of the lens for her to see distant objects?
(b) What would be the necessary power if a contact lens were used?