[填空题]
Light of wavelength 4;6 jyvxs8k0 0awyrkhgw n )z3080 nbfn:yy -h.zot379 cf1m vnc;bm in air falls on two slits $6.00 \times10^{-2 }\;mm$ apart. The slits are immersed in water, as is a viewing screen 40.0 cm away. How far apart are the fringes on the screen? mm
