Q10.20Short answer
L= d/ S2 Screen Fig. 10.6 AC = CO = D, S1C = S2C = d << D A small transparent slab containing material of µ = 1.5 is placed along AS2 (Fig.10.6). What will be the distance from O of the principal maxima and of the first minima on either side of the principal maxima obtained in the absence of the glass slab. .
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