In YDSE, 12 fringes are observed to be formed in a certain segment of the screeen when light of wavelength 600nm is used. If the wavelength of light is changed to 400nm, find the number of fringes observed in the same segment.
In YDSE, 12 fringes are observed to be formed in a certain segment of the screeen when light of wavelength 600nm is used. If the wavelength of light is changed to 400nm, find the number of fringes observed in the same segment.