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Q3: Consider a linearly polarized, plane monochromatic EM of angular frequency propagating in free space with its electric field given by E-X E, exp [i (kz-ot)] +Eo exp [i (-kz- t)], where Eo is real. a) Determine the energy density u and the Poynting vector S. b) Discuss how the energy is sometimes all in the electric field, and sometimes all in the magnetic field? Does S account for this transfer?

Q3: Consider a linearly polarized, plane monochromatic EM of angular frequency propagating in free space with its electric field given by E-X E, exp [i (kz-ot)] +Eo exp [i (-kz- t)], where Eo is real. a) Determine the energy density u and the Poynting vector S. b) Discuss how the energy is sometimes all in the electric field, and sometimes all in the magnetic field? Does S account for this transfer?

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Q3: Consider a linearly polarized, plane monochromatic EM of angular frequency propagating in free space with its electric field given by E-X E, exp [i (kz- co t)] +Eo exp [i (-kz-ot)], where E, is real. a) Determine the energy density u and the Poynting vector S. b) Discuss how the energy is sometimes all in the electric field, and sometimes all in the magnetic field? Does S account for this transfer?
Transcribed Image Text:Q3: Consider a linearly polarized, plane monochromatic EM of angular frequency propagating in free space with its electric field given by E-X E, exp [i (kz- co t)] +Eo exp [i (-kz-ot)], where E, is real. a) Determine the energy density u and the Poynting vector S. b) Discuss how the energy is sometimes all in the electric field, and sometimes all in the magnetic field? Does S account for this transfer?
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