Question bank/JEE Main/Physics

In a double-slit experiment, at a certain point on the screen the
path difference between the two interfering waves is
[IMAGE] of a wavelength. The ratio of the intensity of
light at that point to that at the centre of a bright fringe is

A0.568B0.760C0.853D0.672

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Source: Grass-G / P-14 Physics paper 7 Nov.docx