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Apparent Depth

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Question

What would be the refractive index of medium A with respect to medium B,if refractive index of A is $\frac{8}{7}$ and of B is $\frac{7}{6}$ ?

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Solution

Given,
$μ_{A} = \frac{8}{7}$
$μ_{B} = \frac{7}{6}$

The refractive index of medium A with respect to medium B,
$μ_{A B} = \frac{μ_{A}}{μ_{B}}$

$μ_{A B} = \frac{8 / 7}{7 / 6}$

$μ_{A B} = \frac{48}{49} = 0.9795$

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