You Have Two Lenses for Making a Compound Microscope: F_o

Multiple Choice

You have two lenses for making a compound microscope: f_o = 0.800 cm and f_e = 1.20 cm.How far apart should you set the the lenses to get a magnification of -300? (Assume the normal near point of 25.0 cm.)

A) 11.5 cm
B) 12.7 cm
C) 13.5 cm
D) 13.9 cm
E) 15.0 cm