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Electromagnetic Waves question

2008 · Q135
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Electromagnetic Waves question

2008 · Q135

NEETPhysicsElectromagnetic WavesMCQ+4 / −1
The velocity of electromagnetic radiation in a medium of permittivity ε\varepsilonε0 and permeability μ\muμ0 is given by
  1. A
    1μ0ε0{1 \over {\sqrt {{\mu _0}{\varepsilon _0}} }}μ0​ε0​​1​
  2. B
    μ0ε0\sqrt {{{{\mu _0}} \over {{\varepsilon _0}}}}ε0​μ0​​​
  3. C
    ε0μ0\sqrt {{{{\varepsilon _0}} \over {{\mu _0}}}}μ0​ε0​​​
  4. D
    μ0ε0\sqrt {{\mu _0}{\varepsilon _0}}μ0​ε0​​
View written solutionFree

Correct answer: A

The velocity of electromagnetic radiation in vacuum is = 1μ0ε0{1 \over {\sqrt {{\mu _0}{\varepsilon _0}} }}μ0​ε0​​1​

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