Question

This Folding Pocket Magnifier by Bausch& Lombhas

optical-quality, glass lenses that can beusedalone, or

combined with others to produce differentpowers.The

swing away plastic case can also serve as ahandle.This

model, 812354, has a power rating of 4X witha____

diopter lens.

1. The above was taken from an onlinedescription ofa high quality magnifying glass.The

“power rating” refers tothe “magnifying power”(angular magnification) of themagnifier. Fill in

the blank (assume imageat ! , “relaxedeye”). Thepower of the lens (in diopters) used inthe

magnifier is:

a) 4 D b) 6.25 Dc)16 D d) 32D