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Ratio of intensities between a point \( A \) and that of central fringe is \( 0.853 \). If we consider slits are of equal width then path
\( \mathrm{P} \) difference between two waves at point \( A \) will be :

W
(A) \( \frac{\lambda}{2} \)
(B) \( \frac{\lambda}{4} \)
(C) \( \frac{\lambda}{8} \)
(D) \( \lambda \)
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