posted by Sally .
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.
If 540 nm light falls on a slit 0.0490 mm wide, what is the full angular width of the central diffraction peak?