The electro magnetic wave, represented by $$E=0.04sin2$$×$$104t$$−$$10$$−$$4xV/m$$ is propagating in a transparent medium. If μ and ∈ be the permeability and permittivity of the medium then the value of 'μ∈' is

Correct option is 325×10−18s2m−2

Questions

The electro magnetic wave, represented by $E = 0.04 \sin (2 \times 10^{4} t - 10^{- 4} x) V / m$ is propagating in a transparent medium. If $μ$ and $\in$ be the permeability and permittivity of the medium then the value of $' μ \in'$ is

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28×10−16s2m−2

14×10−12s2m−2

25×10−18s2m−2

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detailed solution

Correct option is C

Speed of the wave, V=2×1041×10−4m/s=2×108m/sNow V=1μ∈⇒μ∈=1V2=12×1082s2m−2⇒μ∈=25×10−18s2m−2

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The electro magnetic wave, represented by E=0.04sin2×104t−10−4xV/m is propagating in a transparent medium. If μ and ∈ be the permeability and permittivity of the medium then the value of 'μ∈' is

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Ready to Test Your Skills?

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The electro magnetic wave, represented by $E = 0.04 \sin (2 \times 10^{4} t - 10^{- 4} x) V / m$ is propagating in a transparent medium. If $μ$ and $\in$ be the permeability and permittivity of the medium then the value of $' μ \in'$ is