AA nearsighted man wears eyeglasses whose lenses have a foca

A)A nearsighted man wears eyeglasses whose lenses have a focal length of -0.20 m .

How far away is his far point? (Assume that the glasses are worn 3.00 cm from the eyes.)

B)A nearsighted student wears contact lenses to correct for a far point that is 3.50

m from her eyes. When she is not wearing her contact lenses, her near point is 25 cm .

Solution

A) far point= 20cm+3cm= 29cm

B) The question was incomplete as you didn\'t mention what to find?