Questions
A plane electro-magnetic wave is propagating through space. If amplitude of electric field is , the average intensity of the wave is
a
CEm22μ0
b
12μ0CEm2
c
12ε0Em2
d
12ε0CEm2
detailed solution
Correct option is D
Average energy density u=12ε0Em2∴ Average intensity I=uC=12ε0CEm2Talk to our academic expert!
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