[填空题]
Monochromatic light falls on two 9sjls+ 2;idyxvlvb1:t, osz bvd m51pfkt;40very narrow slits 0.048 mm apart. Successive fringes on a screen 5.00 m away are 6.5 cm apart nearoz41v bm tsfpdt05, k; the center of the pattern. Determine the wavelength and frequency of the light.
$\lambda\;=\;$ $m$
$f$ = Hz
