Question

Monochromatic light falls on two very narrow slits 0.050 mm apart. Successive fringes on a screen 4.60 m away are 5.7 cm apart near the center of the pattern. Determine the wavelength and frequency of the light.

wavelength nm

frequency Hz

Answer 1

http://hyperphysics.phy-astr.gsu.edu/Hbase/phyopt/slits.html