|| RANGE OF EXPERIMENTS
1. Model placed in the ordinary lens- polariscope arrangement.
2. Model immersed in the index matching fluid, between the two partial mirrors.
While conducting the experiment following steps are followed :-
a. Arranging the lens Polariscope set up.
b. Placement of model in the index matching fluid.
c. Obtaining the image of the model on the round glass screen.
d. Photographing the fringe pattern.