When a light ray enters from medium i to medi | vedclass

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(C) The refractive index of medium $j$ with respect to medium $i$ is given by $_i\mu_j = \frac{\mu_j}{\mu_i}$.We are given the product: $_2\mu_1 	ime

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$\frac{1}{_1\mu_4}$

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(C) The refractive index of medium $j$ with respect to medium $i$ is given by $_i\mu_j = \frac{\mu_j}{\mu_i}$.We are given the product: $_2\mu_1 	imes _3\mu_2 	imes _4\mu_3$.Substituting the definition of refractive index:$_2\mu_1 = \frac{\mu_1}{\mu_2}$$_3\mu_2 = \frac{\mu_2}{\mu_3}$$_4\mu_3 = \frac{\mu_3}{\mu_4}$Multiplying these terms:$\left(\frac{\mu_1}{\mu_2}ight) 	imes \left(\frac{\mu_2}{\mu_3}ight) 	imes \left(\frac{\mu_3}{\mu_4}ight) = \frac{\mu_1}{\mu_4}$.Since $_i\mu_j = \frac{\mu_j}{\mu_i}$,we know that $_4\mu_1 = \frac{\mu_1}{\mu_4}$.Also,by the property of refractive indices,$_4\mu_1 = \frac{1}{_1\mu_4}$.Therefore,the product is equal to $_4\mu_1$ or $\frac{1}{_1\mu_4}$.

When a light ray enters from medium $i$ to medium $j$,if $_i\mu_j$ represents the refractive index,what is the product of $_2\mu_1 \times _3\mu_2 \times _4\mu_3$?

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