In Young s experiment monochromatic light through a single

Last updated: 6/28/2023

In Young s experiment monochromatic light through a single slit S is used to illuminate the two slits S and S Interference fringes are obtained on a screen The fringe width is found to be w Now a thin sheet of mica thickness t and refractive index u is placed near and in front of one of the two slits Now the fringe width is found to be w then 1 w w 3 w u 1 tw 2 ww 4 w W