Friday, April 11, 2014

A near sighted person has a far point that is 323 cm from her eye?

A near sighted person has a far point that is 323 cm from her eye. If this person wears glasses 2.00 cm in front of the eyes with a focal length of -321 cm, distant objects can be brought into focus.
Suppose a second person's eyeglasses have a focal length of -301 cm, are 2.00 cm in front of the eyes, and allow the person to focus on distant objects.
A) Is the second person's far point greater than or less than 323 cm? Why?
B) Find the far point for this person.

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