The two slits are 1 mm apart and illuminated with a light of wavelength 5 10–7 m. If the….

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The two slits are 1 mm apart and illuminated with a light of wavelength 5  10^–7 m. If the distance of a screen from the slits is 1 m, then the distance between the third dark fringe and the fifth bright fringe is

Options :-

1. 1.5 mm
2. 0.75 mm
3. 1.25 mm
4. 0.625 min
5. 2.5 min

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