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In an electromagnetic wave, the amplitude of electric field is 10 V/m. The frequency of wave is 5 × 10¹⁴ Hz, the wave is propagating along Z-axis, then total average energy density of E.M. wave is -

A

2.21 × 10⁻¹⁰ J/m³

B

4.42 × 10⁻¹⁰ J/m³

C

1.11 × 10⁻¹⁰ J/m³

D

None

The electric field component of an electromagnetic wave in a medium is represent

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