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The magnetic field in a plane electromagnetic wave is given by $B = (200 μ T) \sin [(4.0 x 10^{15} s^{- 1}) (t - x / c)]$ . Find the average energy density corresponding to the electric field.

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detailed solution

Correct option is B

14 B02μo = 14×4×10−84π×10−7 = 8×10−3Jm−3

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The magnetic field in a plane electromagnetic wave is given by B=(200μT)sin(4.0x1015s−1)(t−x/c) . Find the average energy density corresponding to the electric field.

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The magnetic field in a plane electromagnetic wave is given by $B = (200 μ T) \sin [(4.0 x 10^{15} s^{- 1}) (t - x / c)]$ . Find the average energy density corresponding to the electric field.