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Suppose in the double-slit arrangement, d = 0.150mm, L =120cm, %u03BB =833nm, and y = 2.00cm.
(a) What is the path difference %u03B4 for the rays from the two slits arriving at point P?
(b) Express this path difference in terms of %u03BB .
(c) Does point P correspond to a maximum, a minimum, or an intermediate condition?
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