A transparent paper (refractive index = 1.45) of thickness 0-02 mm is pasted on one of the slits of a Young's double slit experiment which uses monochromatic light of wavelength 620 nm. How many fringes will cross through the centre if the paper is removed ?

A transparent sheet of thickness 0.018 mm is pasted on one of the slits of a Youngs slit experiment. If the set - up uses monochromatic light of wavelength 6800 Å , how many fringes will shift due to pasting of the sheet? Take mu sheet = 1.6.

In Young's double slit experiment with slit separation d, a monochromatic light of wavelength lamda is used. The angular separation of the fringes is

Find the angular fringe width in Young's double slit experiment using a monochromatic light of wavelength 500 nm when the slits are separated by 2.5 mm.

Find the angular fringe width in Young's double slit experiment using a monochromatic light of wavelength 500 nm when the slits are separated by 2.5 mm.

If a transparent medium of refractive index mu=1.5 and thickness t=2.5xx10^-5m is inserted in front of one of the slits of Young's Double Slit experiment, how much will be the shift in the interference patten? The distance between the slits is 0.5mm and that between slits and screen is 100cm

In Young's double slit experiment the distance between the two slits is d and wavelength of the light used is lambda . The angular width of the fringe

In Young’s double slit experiment, first dark fringe occurs directly opposite to slit. Wavelength of light used is