In Young's double slit experiment, we get `60` fringes in the field of view of monochromatic light of wavelength `4000Å`. If we use monochromatic light of wavelength `6000Å`, then the number of fringes obtained in the same field of view is

In Young's double slit experiment, we get 10 fringes in the field of view of monochromatic light of wavelength 4000Å. If we use monochromatic light of wavelength 5000Å, then the number of fringes obtained in the same field of view is

In Young's double-slit experiment, 30 fringes are obtained in the field of view of the observing telescope, when the wavelength of light used is 4000 Å . If we use monochromatic light of wavelength 6000 Å , the number of fringes obtained in the same field of view is

In Young's double-slit experiment , we get 60 fringes in the field of view if we use light of wavelength 4000 Å . The number of fringes we will get in the same field of view if we use light of wavelength 6000 Å is

In Young's double slit experiment, 62 fringes are seen in visible region for sodium light of wavelength 5893Å . If violet light of wavelength 4358Å , is used in place of sodium light, then number of fringes seen will be

In Young's double slit experiment, the fringe width obtained by a monochromatic light of wavelength 6000Å is 2 mm. I fthe apparatus is dipped into water of R.I. 1:33, then change in fringe width will be

In Youngs 's double slit experiment, the fringe width obtained by using monochromatic light of wavelength 6000 Å is 2 mm. if the whole apparatus is immersed in water of R.I. 1.33, then the change in fringe width will be

In Young's double slit experiment 62 fringes are visible in the field of view with sodium light (lambda = 5893 Å) . If green light (lambda = 5461 Å) is used then the number of visible fringes will be –