AP EAMCET Engineering 2018 Apr 24 Shift 1 Paper

In Young’s double slit experiment, the two slits are illuminated by a light beam consisting of wavelengths 4200

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and 5040

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. If the distance between the slits is 2.4 mm and the distance between the slits and the screen is 200 cm. the minimum distance from the central bright fringe to the point where the bright fringes due to both the wavelengths coincide is ...