Double Slit Question?
A lamp emits light with wavelength of #580 nm.# This light passes through two small slits which causes interference and creates an interference pattern on the the screen #1.5 m# beyond the slits. If the spacing between the fringes of the interference pattern is #4.2mm# , how far apart are the slits?
A lamp emits light with wavelength of
1 Answer
Feb 25, 2018
Fringe width(spacing between fringes)
where ,
So ,
=
=