Imagine a harmonic plane electromagnetic wave traveling in the z- direction in a homogeneous isotropic dielectric. If the wave, whose amplitude is E0, has a magnitude of zero at t = 0 and z = 0, (a) show that its energy density is given by u(t) = eE sin? k(z - vt) b)find an expression for the irradiance of the wave?
Imagine a harmonic plane electromagnetic wave traveling in the z- direction in a homogeneous isotropic dielectric. If the wave, whose amplitude is E0, has a magnitude of zero at t = 0 and z = 0, (a) show that its energy density is given by u(t) = eE sin? k(z - vt) b)find an expression for the irradiance of the wave?
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![Imagine a harmonic plane electromagnetic wave traveling in the z-
direction in a homogeneous isotropic dielectric. If the wave, whose
amplitude is E0, has a magnitude of zero at t = 0 and z = 0, (a) show that
its energy density is given by
u(t) = eE sin? k(z - vt)
%3D
b)find an expression for the irradiance of the wave?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F580e6919-d7b9-49c4-907a-6bd6112351b1%2F39f8ced7-f762-4729-bd55-56f64b05a79c%2Fvx5m1qf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Imagine a harmonic plane electromagnetic wave traveling in the z-
direction in a homogeneous isotropic dielectric. If the wave, whose
amplitude is E0, has a magnitude of zero at t = 0 and z = 0, (a) show that
its energy density is given by
u(t) = eE sin? k(z - vt)
%3D
b)find an expression for the irradiance of the wave?
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