A given individual is unable to see objects clearly when they are beyond 100 cm.What focal length lens should be used to correct this problem?
A)-100 cm
B)-33.3 cm
C)-20 cm
D)75 cm

Question

Quizplus · Accepted Answer

The individual is nearsighted, meaning they need a lens that diverges light to extend their far point to infinity. The focal length of the lens should be equal to the negative of the far point distance, which is -100 cm.

A Given Individual Is Unable to See Objects Clearly When