In standard Young's double - slit experi...

In standard Young's double - slit experiment, visible light `lambdain(350 nm, 750 nm)` is used in both the slits. Distance between the slits is 2 mm, and the distance of the screen from the slits is 1 m. A thin glass slab `(mu=1.5)` of thickness `6mum` is placed in front of slit `S_(2)`. Which among the following wavelength is missing at point P, which is directly in front of slit `S_(2)`? (Neglect dispersion of light)

400 nm

500 nm

600 nm

700 nm

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