[填空题]
By what percent, appu4yl7ji n60it+ 3s) kepj t+gh-stla 7roximately, does the speed ofd6yj w(mjd;y1pne-uhx(-qyohy ;v d() :)lqx red light (700 nm) exceed that of violet light (400uy vy)yhn);o-xd1((p;j l-: w d6 q(j deqymhx nm) in silicate flint glass? (See Fig. 24–14.) %
