[单选题]
What is the minimum thickness of bpf6zcanvp xxp n60x( k h5 82u:o88nra nonreflect )()mum4whqmmo z9)6r 6nspbt ing film coating (n = 1.30) on a glass lens (n = 1.50s z4t m 6pqru)hm m)m69)nwb(o) for wavelength 500 nm?
A. $250 \; nm$
B. $192 \; nm$
C. $167 \; nm$
D. $96.2 \; nm$
