Express this path difference in terms of the wavelength

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A pair of slits, separated by 0.180 mm, is illuminated by light having a wavelength of ? = 612 nm. An interference pattern is observed on a screen 130 cm from the slits. Consider a point on the screen located at y = 1.60 cm from the central maximum of this pattern.

(a) What is the path difference ? for the two slits at the location y?

µm

(b) Express this path difference in terms of the wavelength.

Reference no: EM13271536

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