23. In a Young's double slit experiment, slits are separated by 0.5 mm, and the screen is placed 150cm away. A beam of light consisting of twowavelengths, 650 nm and 250 nm, is used to obtaininterference fringes on the screen. The leastdistance from the common central maximum to thepoint where the bright fringes due to both thewavelength coincide is:(1) 1.56 mm(2) 7.8 mm(3) 9.75 mm(4) 15.6 mm

23. In a Young's double slit experiment, slits are separated by 0.5

1.	23. In a Young's double slit experiment, slits are separated by 0.5 mm, and the screen is placed 150cm away. A beam of light consisting of twowavelengths, 650 nm and 250 nm, is used to obtaininterference fringes on the screen. The leastdistance from the common central maximum to thepoint where the bright fringes due to both thewavelength coincide is:(1) 1.56 mm(2) 7.8 mm(3) 9.75 mm(4) 15.6 mm
Answer» (3) 9.75 mmExplanation:PLS FIND the ATTACHMENT

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