Tential Ice X-23/ In a Young's double slit experiment, slits areseparated 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

Tential Ice X-23/ In a Young's double slit experiment, slits aresepa

1.	Tential Ice X-23/ In a Young's double slit experiment, slits areseparated 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
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