Electric field in a plane electromagnetic wave is given by \(\mathrm{E}=50\sin \left(500x-10\times {10}^{10}t\right)\mathrm{V}/\mathrm{m}\)

The velocity of electromagnetic wave in this medium is : (Given c= speed of light in vacuum)

[JEE Main 2021, 27 Aug (Shift 1)]

Question

Electric field in a plane electromagnetic wave is given by \(\mathrm{E}=50\sin \left(500x-10\times {10}^{10}t\right)\mathrm{V}/\mathrm{m}\)

The velocity of electromagnetic wave in this medium is : (Given c= speed of light in vacuum)

[JEE Main 2021, 27 Aug (Shift 1)]

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Electric field in a plane electromagnetic wave is given by \(\mathrm{E}=50\sin \left(500x-10\times {10}^{10}t\right)\mat…