Electric field of a plane electromagnetic wave propagating through a non-magnetic medium is given by \(\left(2\times {10}^{10}t-200x\right)\mathrm{V}/\mathrm{m}\). The dielectric constant of the medium is equal to: (Take \({\mu }_{r}=1\) )

[JEE Main 2021, 1 Sep (Shift 2)]

Question

Electric field of a plane electromagnetic wave propagating through a non-magnetic medium is given by \(\left(2\times {10}^{10}t-200x\right)\mathrm{V}/\mathrm{m}\). The dielectric constant of the medium is equal to: (Take \({\mu }_{r}=1\) )

[JEE Main 2021, 1 Sep (Shift 2)]

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