In Young's double-slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4
In Young's double-slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4 m away. The distance between the central bright fringe and fourth bright fringe is measured to be 1.2 cm. Determine the wavelength of light used in the experiment.