In a Young\'s double slit experiment, 12 fringes are observed to be formed
Channel: Doubtnut
Date: 2020-01-19

In a Young\'s double slit experiment, 12 fringes are observed to be formed in a certain segment of the screen when light of wavelength `600nm` is used. If the wavelength of light is changed to `400nm`, number of fringes observed in the same segment of the screen is given by