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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 28 - Electromagnetic Waves > Two slits are separated by a distance of 0.5 mm and illuminated with light of wavelength λ=6000 A^∘. If the screen is placed at 2.5 m from the slits. The distance of the third bright fringe from the centre will be

Two slits are separated by a distance of 0.5 mm and illuminated with light of wavelength λ=6000 A^∘. If the screen is placed at 2.5 m from the slits. The distance of the third bright fringe from the centre will be

Two coherent sources with intensity ratio β produce interference. The fringe visibility will be