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A whole biprism experiment in water. If ...

A whole biprism experiment in water. If the fringe width in air is `beta_(a)` and refractive index of biprism material and water are 1.5 and 1.33 respectively. Find the value of the fringe width.

Text Solution

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`beta_(w)=(mu_(g)-1)/(mu_(g)-mu_(w))beta_(a)=((3)/(2)-1)/((3)/(2)-(4)/(2))=3beta_(a)`
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