Double Slit Question?
A lamp emits light with wavelength of 580 nm.580nm. This light passes through two small slits which causes interference and creates an interference pattern on the the screen 1.5 m1.5m beyond the slits. If the spacing between the fringes of the interference pattern is 4.2mm4.2mm , 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 ,
=
=