Question: A double slit interference pattern generated from light with a wavelength of 600 nm is shown below. The bright spot in the middle of the
A double slit interference pattern generated from light with a wavelength of 600 nm is shown below. The bright spot in the middle of the pattern represents the central maximum. Consider the dark spot indicated by the arrows. What is the path length difference between two slits when the light reaches the position of this dark spot (i.e. how much further did the light from one of the slits travel compared to the light from the other slit)?
A. 1200 nm
B. 900 nm
C. 600 nm
D. 300 nm
E. 0 nm

Two slits Central max
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