A graph is plotted between the fringe-width (z) and the distance (D) between the slit and eye-piece, keeping…
A graph is plotted between the fringe-width (z) and the distance (D) between the slit and eye-piece, keeping other adjustment same. The correct graph is
(B)
(A)
(C)
(D)
Solution
$z=\frac{\lambda D}{d} \quad \therefore z \propto D .$
