Question

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{a. Nature and order of interference}& \text{p. Bright fringe of order 80}\\ \text{at the point P, OP = 10 mm}& \\ \text{b. Nature and order of}& \text{q. Bright fringe of order 262}\\ \text{interference at point O}& \\ \text{c. If a transparent paper (refractive)}& \text{r. Bright fringe of order 62}\\ \text{index}\mu =1.45\text{) of thickness}t=0.02mm& \\ \text{is pasted on}{S}_1,\text{i.e. one of the slits, the}& \\ \text{nature and order of the interference at P}& \\ \text{d. After inserting the transparent paper}& \text{s. Bright fringe of order 280}\\ \text{in front of slit}{S}_1,\text{the nature and order}& \\ \text{of interference at O}& \end{array}$

Two coherent point sources $S_1$ and $S_2$ vibrating in phase emit light of wavelength $\lambda$. The separation between the sources is $2\lambda$. Consider a line passing through $S_2$ and perpendicular to the line $S_1{S}_2$. Find the position of farthest and nearest minima.

Answer 1

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