Wavelength of light 2525
falls on slits which are 2 mm apart. The width of 20 fringes is 5.05 mm when the distance between the slits and the screen is 2 m. If the distance between the slits and screen is incurred by 0.2 m what will by the width of 10 fringes?
3.1 mm
2.7 mm
4.2 mm
5.03 mm