NEET UG PHYSICS MCQ: ELECTROMAGNETIC WAVES

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According to Maxwell’s equation the velocity of light in any medium is expressed as

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Correct option: B

\frac{1}{{\sqrt {\mathrm{\mu \varepsilon }} }}

Option B (

\frac{1}{{\sqrt {\mathrm{\mu \varepsilon }} }}

) is correct because it represents the speed of light in a medium with permeability μ and permittivity ε, as derived from Maxwell's equations.

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