In Young's double slit experiment using light of wavelength 5000Å, the fringe width is 0.6 cm. If the distance between the slit abd screen is reduced to half , calculate the new fringe width.

In double slit experiment using light of wave length 320 nm the angular width of a fringe formed on a distant screen is 0.1^@ . What is the spacing between the two slits?

In a double slit experiment, if the screen is moved by 5 x 10^-2 m towards the slit the change in fringe width is 3 x 10^-5 m. If the distance between the slits is 10^-3 m, calculate the wavelength of the light used.

In a Young's double slit experiment distance between the slits is 1 mm. The fringe width is found to be 0.6 mm. When the screen is moved through a distance of 0.25 m away from the plane of the slit, the fringe width becomes 0.75 mm. Find the wavelength of light used.

A beam of light consisting of two wavelengths 6500 A ˙ and 5200 A ˙ is used to obtain fringes in a Young's double slit experiment.Find the distance of the third bright fringe on the screen from central maximum for the wavelength 6500 A. The distance between the slits is 2mm and the distance between the plane of the slits and the screen is 120 cm

In a Young's double slit experiment, the distance between slit is halfed and distance of screen is made three times. How will the frige width change?