An electromagnetic wave of frequency 1x1014 hertz is propagating along z - axis. The amplitude of electric field is 4 V/m. If = 8.8 x 10-12 C2/N-m2, then average energy density of electric field will be :
A.
35.2 x 10-10 J/m3
B.
35.2 x 10-11 J/m3
C.
35.2 x 10-12 J/m3
D.
35.2 x 10-13 J/m3
Average Energy density of Electromagnetic wave is given by
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