(Solved): 12- The near and far points of a nearsighted person are \\( 12 \\mathrm{~cm} \\) and \\( 17 \\mathr ...

12- The near and far points of a nearsighted person are \\( 12 \\mathrm{~cm} \\) and \\( 17 \\mathrm{~cm} \\), respectively. (a) What lens power is needed for this person to see distant objects clearly? (8 Points) (b) After wearing the glasses, what will be the near point of the person? Assume that the lens is \\( 2.0 \\mathrm{~cm} \\) from the eye. ( 8 Points)