1.

In an electromagnetic wave, the electric field of amplitude 4 V/m is oscillating. The Energy density of the wave is ___________

A. 1.41 X 10<sup>-10</sup> J/m<sup>3</sup>
B. 2.41 X 10<sup>-10</sup> J/m<sup>3</sup>
C. 3.41 X 10<sup>-10</sup> J/m<sup>3</sup>
D. 4.41 X 10<sup>-10</sup> J/m<sup>3</sup>
Answer» B. 2.41 X 10<sup>-10</sup> J/m<sup>3</sup>


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