[单选题]
What is the minimum thickness of a nonrem2lze/xo *5:*bk6a p m9ulqffflecting film coati-s6 qubx(b(ry:)6acdoym le d/9sb/mng (n = 1.30) on a glass lens (n bd9bqd- (e /lx muoby:m(ac )66y/rss = 1.50) for wavelength 500 nm?
A. $250 \; nm$
B. $192 \; nm$
C. $167 \; nm$
D. $96.2 \; nm$
