Fringe Width

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 a Young's double slit experiment, the fringe width is found to be 0.4mm . If the whole apparatus is immersed in water of refractive index 4//3 without disturbing the geometrical arrangement, the new fringe width will be

In an interference experiment with a biprism, the distance of the slits from the screenn is increased by 25% annd the separation between the slits is halved. If X represents the original fringe width, the new fringe width will be

Assertion : When a thin transparent sheet is placed in front of both the slits of Young's experiment, the fringe width will remains same. Reason : In Young's experiment, the fringe width is directly proportional to wavelength of the source used.

Yellow light of wavelength 6000Å produces fringes of width 0.8 mm in YDSE. What will be the fringe width if the light source is replaced by another monochromatic source of wavelength 7500 Å and the separation between the slits is doubled ?

In normal YDSE experiment, match the following two coloums. {:(,"Column I",,"Column II"),("A","In YDSE apparatus is immersed in a liquid",,"p. fringe width will increase"),("B","When wavelength of light used in increased",,"q. fringe width will decrease"),("C","When distance between slits and screen (D) is increased",,"r. fringe width will remain constant"),("D","When distance between two slits (d) is increased",,"s. fringe pattern will disappear"):}

In Young's double slit experiment, interference fringes eachh of width 1 mm are observed with light of wavelength 500 nm. Without distrubing the experimental arrangement, if the source is replaced by one having a wavelength 600 nm, then the fringe width will be

In Young's double slip experiment ,the width of fringes obtained from a source of light of wavelength 5000 Å is 3.6mm Calculate the frings width if the apparatus is immersed in a liquid of refractive index 1.2.

In Young's double sit experiment two light sources when placed at a distance d apart, then Interference pattem having fringe width w. If the distance between the sources is reduced to d/3, then fringe width would be