In the shown figure three slits, separated by
[IMAGE] and illuminated by monochromatic parallel beam of
light of wavelength[IMAGE]. P is a point on the line
perpendicular to the plane of slits through[IMAGE]. If
[IMAGE] is the intensity of the wave from each slit, the
intensity at p is

Show answer and solution

Phase difference between
[IMAGE] &[IMAGE] Phase difference between [IMAGE] &[IMAGE] Now using phase diagram

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

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