In the figure shown, wave A is reflected from surface PQ while wave B – InterviewSolution

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1.	In the figure shown, wave A is reflected from surface PQ while wave B is reflected from the surface RS. If μ is the refractive index of the glass slab and t is its thickness, the path difference between the reflected waves of A and B is, (Assume that both waves are incident on surface PQ at the same instant)
Answer» In the figure shown, wave $A$ is reflected from surface $P Q$ while wave $B$ is reflected from the surface $R S$ . If $μ$ is the refractive index of the glass slab and $t$ is its thickness, the path difference between the reflected waves of $A$ and $B$ is, (Assume that both waves are incident on surface $P Q$ at the same instant)

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