JEE Main 29-Jan-2024 Shift 1 Solved Paper

Section: Physics
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Question : 56 of 90
 
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In a double slit experiment shown in figure, when light of wavelength 400‌nm is used, dark fringe is observed at P. If D=0.2m. the minimum distance between the slits S1 and S2 is_____ mm.
[29-Jan-2024 Shift 1]
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