A small transparent slab containing material of `mu=1.5` is placed along `AS_(2)`(figure). What will be the distance from O of the principle maxima and of the first minima on either side of the principal maxima obtained in the absence of the glass slab ?
A. 0.19 D and -0.33 D
B. 0.19 D and -0.55 D
C. 0.33 D and -0.65 D
D. 0.33 D and -0.75 D
