[填空题]
In a double-slit experil:k 6n9tvmby a9y+ii +ment, it is found that blue lgpt-fht+ vhv9094j*a3p s dqqlzxwq1 (t:c8fight of wavelength 460 nm gives a second-order maximum at a certain location on the screen. What wavelength of visible light would have a minimum at the same lt:38-9f*p+cp gf1(q dah q9sz0vl jh4tvwqxtocation? nm
