A beam of light consisting of two wavelengths 6500� and 5200� is used to obtain interference fringes in a young\'s double slit experiment the distanece between the slits is 2mm and the distance between the plane of the slits and screen is 120 cm. (a). Find the distance of the third bright fringe on the screen from the central maxima for the wavelength 6500� (b). What is the least distance from the central maxima where the bright fringes due to both the wave lengths coincide?
A beam of light consisting of two wavelengths 6500� and 5200� is used to obtain interference
A beam of light consisting of two wavelengths 6500� and 5200� is used to obtain interference fringes in a young\'s double slit experiment the distanece between the slits is 2mm and the distance between the plane of the slits and screen is 120 cm. (a). Find the distance of the third bright fringe on the screen from the central maxima for the wavelength 6500� (b). What is the least distance from the central maxima where the bright fringes due to both the wave lengths coincide?
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