Coherent light with wavelength 598 nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 m from the slits. the first-order bright fringe is a distance of 4.84 mm from the center of the central bright fringe
for what wavelength of light will thefirst-order dark fringe be observed at this same point on thescreen?
express your answer in micrometers(not in nanometers).

1.196 μm

Explanation:

D = Screen distance = 3 m

= Wavelength = 598 m

y = Distance of first-order bright fringe from the center of the central bright fringe = 4.84 mm

d = Slit distance

For first dark fringe

Wavelength of first-order dark fringe observed at this same point on the screen is 1.196 μm

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explanation: