Two identical narrow slits S and S2 A very small completely

Last updated: 6/26/2023

Two identical narrow slits S and S2 A very small completely absorbing strip is placed at distance y from the point C C is the point on the screen equidistant from S and S2 Assume d D where d and D have usual meanings When S2 is covered with a thin film of thickness t and refractive index of then shift in central to maximum is P A td 1 D tD 1 towards S2 towards S2 B td D towards S tD 1 towards S