25 Two slits S and S illuminated by a white light source

Last updated: 6/8/2023

25 Two slits S and S illuminated by a white light source give a white central maxima A transparent sheet of refractive index 1 25 and thickness t is placed in front of S Another transparent sheet of refractive index 1 50 and thickness t is placed in front of S If central maxima is not effected then ratio of the thickness of the two sheets will be a 1 2 c 1 4 b 2 1 d 4 1