A beam of monochromatic green light is diffracted by a slit of
width 0.650 mm. The diffraction pattern forms on a wall 2.06 m
beyond the slit. The distance between the positions of zero
intensity on both sides of the central bright fringe is 4.50 mm.
Calculate the wavelength of the light.
nm
Note that
wavelength = slit width * fringe spacing / screen distance
as
slit width = 0.650 mm
fringe spacing = 4.50 mm / 3 = 1.50 mm
screen distance = 2.06 m
Then
wavelength = 473 nm [ANSWER]
A beam of monochromatic green light is diffracted by a slit of width 0.650 mm. The...
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