If λ is the wavelength of light used in Young’s double-slit experiment, the path difference for a phase difference of 11π rad is
(A) 23 λ
(B) 11 λ
(C) 11 \(\cfrac λ 2\)
(D) 23\(\cfrac λ 2\)
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(C) 11 \(\cfrac λ 2\)