In two separate double slit experiments, an interference pattern is observed on a screen. In the first experiment, violet light ($\lambda$= 708 nm) is used and a second-order bright fringe occurs at the same location as a third-order dark fringe in the second experiment. Determine the wavelength of the light used in the second experiment.
A)1320 nm
B)862 nm
C)503 nm
D)431 nm
E)495 nm

Question

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The Answer of In two separate double slit experiments, an interference pattern is observed on a screen. In the first experiment, violet light ($\lambda$= 708 nm) is used and a second-order bright fringe occurs at the same location as a third-order dark fringe in the second experiment. Determine the wavelength of the light used in the second experiment.
A)1320 nm
B)862 nm
C)503 nm
D)431 nm
E)495 nm

In Two Separate Double Slit Experiments, an Interference Pattern Is λ\lambdaλ

In Two Separate Double Slit Experiments, an Interference Pattern Is $\lambda$