Velocity of electromagnetic waves in a medium depends upon __________.

mechanical and electrical properties of medium

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electrical and magnetic properties of medium

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thermal properties of medium

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None of the above

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Solution

The correct option is B electrical and magnetic properties of medium
Velocity of EM wave depends upon Electrical permittivity and magnetic permeability of that material.

$v = \frac{1}{\sqrt{ϵ μ}}$

So option B is correct.

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