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Let ${ }^{\prime} \mu_{1}{ }^{\prime}$ and ${ }^{\prime} \mu_{2}{ }^{\prime}$ be the refractive indices of two media. ' $\mathrm{v}_{1}{ }^{\prime}$ and ' $\mathrm{v}_{2}$ ' are the
velocities of light in the media respectively.
Which one of the following relations is TRUE?
Options:
velocities of light in the media respectively.
Which one of the following relations is TRUE?
Solution:
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Verified Answer
The correct answer is:
$\mu_{1} \mathrm{v}_{1}=\mu_{2} \mathrm{v}_{2}$
$\mu_{1}=\frac{c}{v_{1}} \quad \mu_{2}=\frac{c}{v_{2}}$
$\therefore \quad \mu_{1} v_{1}=\mu_{2} v_{2}$
$\therefore \quad \mu_{1} v_{1}=\mu_{2} v_{2}$
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