In standard Young's double-slit experiment, visible light A 
(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 ( 
= 1.5) of thickness 6 
m is placed in front of slit 82. Which among the following wavelengths is missing at point P, which is directly in front of slit S 2 ? (Neglect dispersion of light)
Text Solution
Verified by ExpertsThe correct answer is:
A
400 nm
Net path difference = 
For Destructive interference
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