Question

Light of wavelength 6000A⁰ is incident on a slit of width 0.30 mm. The screen is placed 2 m away from the slit. Find a) position of the first order dark fringe. b)width of the central bright maximum.

Answer 1

a) position of the first order dark fringe = 4*10^-3 m
b)width of the central bright maximum = 8 * 10^-3 m