When illuminated, four equally spaced parallel slits act as multiple coherent sources, each differing in phase from the adjacent one by an angle Use a phasor diagram to determine the smallest value of for which the resultant of the four waves (assumed to be of equal amplitude) is zero

Question: When illuminated, four equally spaced parallel slits act as multiple coherent sources, each differing in phase from the adjacent one by an angle Use a

When illuminated, four equally spaced parallel slits act as multiple coherent sources, each differing in phase from the adjacent one by an angle ǿ Use a phasor diagram to determine the smallest value of ǿ for which the resultant of the four waves (assumed to be of equal amplitude) is zero.

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