[单选题]
A compound microscopeixb gnue 1wh,5ford+, gml3x9nc 5k29 is designed t1/ 2x (j-g1/pkumk/xjtsuinro resolve objects which are 0.010 mm apart. If the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objective?rk(np /2su - j//k 1i1jugtmxx
A. $0.27 \; mm$
B. $0.54 \; mm$
C. $2.7 \; mm$
D. $5.4 \; mm$
Post time 2024-1-26 22:03:25